fixing bug about browseBar initialization
Fixing the browse bar initialization.
Fixing the renew of token security mechanism.
Bug on Feature #5912 :
- updating the big icon of the gallery application
on feature #5515, adding support of media in news content.
A conflict have been detected when two fields uses 'bank of images' on the same page, improving code of thumbnail service to avoid it.
on feature #5517, fixing few bugs :
- modifying silverpeas-identitycard.js and silverpeas-userZoom.js to be more usable (activation on demand)
- modifying WYSIWYG plugin 'userZoom' to no longer be in conflict with WISYWIG plugin 'identityCard'
on feature #5756, identifying some forgotten 'popup' pages
fixing bug #5928 :
- updating space homepage type if it was deleted component
- using default space homepage if component is not available to user
fixing bug #5929
on feature #5515 :
- fixing a problem around Silverpeas plugins associated to CKEditor
fixing bug #5885
IM sent messages are no more saved

Conflicts:
	lib-core/src/main/java/com/stratelia/silverpeas/notificationManager/NotificationSender.java
fixing bug #5911
storing HttpSession instead of MainSessionController...

Conflicts:
	web-core/src/main/java/com/silverpeas/look/LookSilverpeasV5Helper.java
Some corrections :
- fixing bad behavior of user authentication verifiers when the user is anonymous
- fixing the security token renew process which was not performed at right time

Conflicts:
	lib-core/src/main/java/org/silverpeas/authentication/verifier/UserMustAcceptTermsOfServiceVerifier.java
fixing bug #5958 : from back-office, returning to last visited space or home page
on feature #5517, 'user zoom' must be activated when 'user cards' are
fixing bug #5784
Some corrections:
- fixing a wrong behavior around anonymous user and quick news
- fixing concurrent display on userZoom
- fixing concurrent display on identityCard
fixing unit test failures around look.
init feature #5974 : contacts refactoring