moved the imgur clientID to the server config file

src/install.js

@@ -83,6 +83,7 @@ var	async = require('async'),
 
 				server_conf.base_url = protocol + '//' + host;
 				server_conf.relative_path = relative_path;
+				server_conf.imgurClientID = '';
 
 				install.save(server_conf, client_conf, callback);
 			});

src/posts.js

@@ -322,8 +322,7 @@ var	RDB = require('./redis.js'),
 						user.onNewPostMade(uid, tid, pid, timestamp);					
 
 						var imgur = require('./imgur');
-						// move clientID to config
-						imgur.setClientID('09f3955fee9a0a6');
+						imgur.setClientID(global.nconf.get('imgurClientID'));
 						
 						var uploadedImages = [];