Feature #3178 - upgrading forum subscriptions
- adding the possibility to subscribe to a resource represented by a Silverpeas primary key
- upgrading Silverpeas Notifier JQuery Plugin to handle messages on the loading end of a WEB page
- refactoring some code
Merge branch 'master' into feature-3178
Feature #3178 : upgrading forum subscriptions
- adding new method into WysiwygController to handle indexation
Merge branch 'master' into feature-3178

Conflicts:
	lib-core/src/main/java/org/silverpeas/wysiwyg/control/WysiwygController.java
Feature #3178 : fixing a little problem on wysiwyg controller and index management
Merge branch 'master' into feature-3178
Feature #3178 - upgrading forum subscriptions
- displaying dynamic notifications in this order : error, success, info
- adding new taglibs to handle dynamic notification displaying. (useful file.tag technic has been used)
- adding a jstl function to perform string capitalization
Merge branch 'feature-3178' of https://github.com/SilverYoCha/Silverpeas-Core into feature-3178