Update the core module to implement the style guidelines.
Reduce size of init.js - moved filter logic out to it's own config.
Rename Menus to menuService
Changed some bad comments referencing the Articles module in other modules.
Typo fixed in xxx.client.modules.js files ("Application" => "Applicaion")
Full stop character removed at the end of line comments
A state parameter was added for the routes that require user authentication. Now, everytime a statechange occurs, the destination state is checked and user is redirected to signin page if necessary. Note the state parameter is added within `data`, so that nested states can inherent its value.
Emails are made unique. When user attempts to sign in through a provider in which his email is one that is already registered, user is redirected to the signin page with an error passed as a query string parameter.
The executable bit is set for a lot of files where it is not necessary
to have the executable bit set. This PR removes the executable bit from
those files.
