Introduce the mediapicker field (#1125)

Added a new `mediapicker` form field which allows to select a media from any page
+ 
Provided an option to control how parent select field displays

themes/grav/css-compiled/fonts.css

@@ -1,3 +1,3 @@
 @import url("//fonts.googleapis.com/css?family=Montserrat:400|Lato:300,400,700|Inconsolata:400,700");body,h5,h6,.badge,.note,.grav-mdeditor-preview,input,select,textarea,button,.selectize-input{font-family:"Lato","Helvetica","Tahoma","Geneva","Arial",sans-serif}h1,h2,h3,h4,#admin-menu li,.form-tabs>label,.label{font-family:"Montserrat","Helvetica","Tahoma","Geneva","Arial",sans-serif}code,kbd,pre,samp,body .CodeMirror{font-family:"Inconsolata","Monaco","Consolas","Lucida Console",monospace !important}
 
-/*# sourceMappingURL=fonts.css.map */
+/*# sourceMappingURL=../css-compiled/fonts.css.map */

themes/grav/css-compiled/fonts.css.map

@@ -1 +1,11 @@
-{"version":3,"file":"fonts.css","sources":["fonts.scss","configuration/fonts/_support.scss"],"sourcesContent":["$fonts-default: 'Lato' !default;\n$fonts-header: 'Montserrat' !default;\n$fonts-mono: 'Inconsolata' !default;\n\n$font-definitions: (\n    Montserrat: '400',\n    Lato: '300,400,700',\n    Inconsolata: '400,700'\n);\n\n@import \"configuration/fonts/support\";\n\n\n\n\n","@function str-replace($string, $search, $replace: '') {\n    $index: str-index($string, $search);\n\n    @if $index {\n        @return str-slice($string, 1, $index - 1) + $replace + str-replace(str-slice($string, $index + str-length($search)), $search, $replace);\n    }\n\n    @return $string;\n}\n\n@function admin-font-faces($fonts) {\n    $url: \"//fonts.googleapis.com/css?family=\";\n    $nb: 0;\n\n    @each $fontname, $weights in $fonts {\n\n        @if $fontname == $fonts-default or\n            $fontname == $fonts-header or\n            $fontname == $fonts-mono {\n\n            $nb: $nb + 1;\n            $nb-word: 0;\n\n            $fontname: str-replace(\"#{$fontname}\", \" \", \"+\");\n\n            $url: $url + $fontname;\n\n            @if $weights != null {\n                $url: $url + \":\" + $weights;\n            }\n\n            @if $nb < 3 {\n                $url: $url + \"|\";\n            }\n        }\n    }\n\n    @return $url;\n}\n\n@mixin body-fonts($font) {\n    body, h5, h6,\n    .badge, .note, .grav-mdeditor-preview,\n    input, select, textarea, button, .selectize-input {\n        font-family: \"#{$font}\", \"Helvetica\", \"Tahoma\", \"Geneva\", \"Arial\", sans-serif;\n    }\n}\n\n@mixin header-fonts($font) {\n    h1, h2, h3, h4,\n    #admin-menu li, .form-tabs > label, .label {\n        font-family: \"#{$font}\", \"Helvetica\", \"Tahoma\", \"Geneva\", \"Arial\", sans-serif;\n    }\n}\n\n@mixin mono-fonts($font) {\n    code, kbd, pre, samp,\n    body .CodeMirror {\n        font-family: \"#{$font}\", \"Monaco\", \"Consolas\", \"Lucida Console\", monospace !important;\n    }\n}\n$font-url: admin-font-faces($font-definitions);\n\n@import url(\"#{$font-url}\");\n\n@include body-fonts($fonts-default);\n\n@include header-fonts($fonts-header);\n\n@include mono-fonts($fonts-mono);\n\n\n\n\n\n"],"names":[],"mappings":"AC+DA,OAAO,CAAC,4FAAI,CAtBR,AAAA,IAAI,CAAE,AAAA,EAAE,CAAE,AAAA,EAAE,CACZ,AAAA,MAAM,CAAE,AAAA,KAAK,CAAE,AAAA,sBAAsB,CACrC,AAAA,KAAK,CAAE,AAAA,MAAM,CAAE,AAAA,QAAQ,CAAE,AAAA,MAAM,CAAE,AAAA,gBAAgB,AAAC,CAC9C,WAAW,CAAE,MAAU,CAAE,WAAW,CAAE,QAAQ,CAAE,QAAQ,CAAE,OAAO,CAAE,UAAU,CAChF,AAID,AAAA,EAAE,CAAE,AAAA,EAAE,CAAE,AAAA,EAAE,CAAE,AAAA,EAAE,CACd,AAAY,WAAD,CAAC,EAAE,CAAE,AAAa,UAAH,CAAG,KAAK,CAAE,AAAA,MAAM,AAAC,CACvC,WAAW,CAAE,YAAU,CAAE,WAAW,CAAE,QAAQ,CAAE,QAAQ,CAAE,OAAO,CAAE,UAAU,CAChF,AAID,AAAA,IAAI,CAAE,AAAA,GAAG,CAAE,AAAA,GAAG,CAAE,AAAA,IAAI,CACpB,AAAK,IAAD,CAAC,WAAW,AAAC,CACb,WAAW,CAAE,aAAU,CAAE,QAAQ,CAAE,UAAU,CAAE,gBAAgB,CAAE,SAAS,CAAC,UAAU,CACxF"}
+{
+	"version": 3,
+	"file": "../scss/fonts.css",
+	"sources": [
+		"../scss/fonts.scss",
+		"../hdr0",
+		"../scss/configuration/fonts/_support.scss"
+	],
+	"mappings": "AE+DA,OAAO,CAAC,4FAAI,CAtBR,AAAA,IAAI,CAAE,AAAA,EAAE,CAAE,AAAA,EAAE,CACZ,AAAA,MAAM,CAAE,AAAA,KAAK,CAAE,AAAA,sBAAsB,CACrC,AAAA,KAAK,CAAE,AAAA,MAAM,CAAE,AAAA,QAAQ,CAAE,AAAA,MAAM,CAAE,AAAA,gBAAgB,AAAC,CAC9C,WAAW,CAAE,MAAU,CAAE,WAAW,CAAE,QAAQ,CAAE,QAAQ,CAAE,OAAO,CAAE,UAAU,CAChF,AAID,AAAA,EAAE,CAAE,AAAA,EAAE,CAAE,AAAA,EAAE,CAAE,AAAA,EAAE,CACd,AAAY,WAAD,CAAC,EAAE,CAAE,AAAa,UAAH,CAAG,KAAK,CAAE,AAAA,MAAM,AAAC,CACvC,WAAW,CAAE,YAAU,CAAE,WAAW,CAAE,QAAQ,CAAE,QAAQ,CAAE,OAAO,CAAE,UAAU,CAChF,AAID,AAAA,IAAI,CAAE,AAAA,GAAG,CAAE,AAAA,GAAG,CAAE,AAAA,IAAI,CACpB,AAAK,IAAD,CAAC,WAAW,AAAC,CACb,WAAW,CAAE,aAAU,CAAE,QAAQ,CAAE,UAAU,CAAE,gBAAgB,CAAE,SAAS,CAAC,UAAU,CACxF",
+	"names": []
+}

themes/grav/css-compiled/simple-fonts.css

@@ -1,3 +1,3 @@
 body,h5,h6,.badge,.note,.grav-mdeditor-preview,input,select,textarea,button,.selectize-input,h1,h2,h3,h4,#admin-menu li,.form-tabs>label,.label{font-family:"Helvetica Neue", "Helvetica", "Tahoma", "Geneva", "Arial", sans-serif}code,kbd,pre,samp,body .CodeMirror{font-family:"Monaco", "Consolas", "Lucida Console", monospace}
 
-/*# sourceMappingURL=simple-fonts.css.map */
+/*# sourceMappingURL=../css-compiled/simple-fonts.css.map */

themes/grav/css-compiled/simple-fonts.css.map

@@ -1 +1,10 @@
-{"version":3,"file":"simple-fonts.css","sources":["simple-fonts.scss"],"sourcesContent":["body, h5, h6,\n.badge, .note, .grav-mdeditor-preview,\ninput, select, textarea, button, .selectize-input,\nh1, h2, h3, h4,\n#admin-menu li, .form-tabs > label, .label {\n    font-family: \"Helvetica Neue\", \"Helvetica\", \"Tahoma\", \"Geneva\", \"Arial\", sans-serif;\n}\ncode, kbd, pre, samp,\nbody .CodeMirror {\n    font-family: \"Monaco\", \"Consolas\", \"Lucida Console\", monospace;\n}\n"],"names":[],"mappings":"AAAA,AAAA,IAAI,CAAE,AAAA,EAAE,CAAE,AAAA,EAAE,CACZ,AAAA,MAAM,CAAE,AAAA,KAAK,CAAE,AAAA,sBAAsB,CACrC,AAAA,KAAK,CAAE,AAAA,MAAM,CAAE,AAAA,QAAQ,CAAE,AAAA,MAAM,CAAE,AAAA,gBAAgB,CACjD,AAAA,EAAE,CAAE,AAAA,EAAE,CAAE,AAAA,EAAE,CAAE,AAAA,EAAE,CACd,AAAY,WAAD,CAAC,EAAE,CAAE,AAAa,UAAH,CAAG,KAAK,CAAE,AAAA,MAAM,AAAC,CACvC,WAAW,CAAE,sEAAsE,CACtF,AACD,AAAA,IAAI,CAAE,AAAA,GAAG,CAAE,AAAA,GAAG,CAAE,AAAA,IAAI,CACpB,AAAK,IAAD,CAAC,WAAW,AAAC,CACb,WAAW,CAAE,iDAAiD,CACjE"}
+{
+	"version": 3,
+	"file": "../scss/simple-fonts.css",
+	"sources": [
+		"../scss/simple-fonts.scss",
+		"../hdr0"
+	],
+	"mappings": "AAAA,AAAA,IAAI,CAAE,AAAA,EAAE,CAAE,AAAA,EAAE,CACZ,AAAA,MAAM,CAAE,AAAA,KAAK,CAAE,AAAA,sBAAsB,CACrC,AAAA,KAAK,CAAE,AAAA,MAAM,CAAE,AAAA,QAAQ,CAAE,AAAA,MAAM,CAAE,AAAA,gBAAgB,CACjD,AAAA,EAAE,CAAE,AAAA,EAAE,CAAE,AAAA,EAAE,CAAE,AAAA,EAAE,CACd,AAAY,WAAD,CAAC,EAAE,CAAE,AAAa,UAAH,CAAG,KAAK,CAAE,AAAA,MAAM,AAAC,CACvC,WAAW,CAAE,sEAAuE,CACvF,AACD,AAAA,IAAI,CAAE,AAAA,GAAG,CAAE,AAAA,GAAG,CAAE,AAAA,IAAI,CACpB,AAAK,IAAD,CAAC,WAAW,AAAC,CACb,WAAW,CAAE,iDAAkD,CAClE",
+	"names": []
+}