Merge master into feature/statbilization branch
WIKI-823 commit in stabilization branch
WIKI-686 [IE8, 9] Several problems when page title has accent characters
Fix description: In IE, wiki page name is not needed to encodeURI beforing sending ajax request
WIKI-801: [IE9, IE8] can not close Preview window if page name contains accent chars

Fix description:
	- Close button in preview have to use onclick action to close
WIKI-802: [IE9] Can not watch Wiki page if page name contains accent chars

Fix description:
	- Watch and Unwatch action have to be invoked by onclick, not href
WIKI-806: [IE8] [Wiki page name with accent characters] Exception thrown when click on Restricted button

Fix description:
	- Replace href by onclick
WIKI-804: [IE8] Impossible to move wiki page if page name contains accent characters

Fix description:
	- Invoke ajax function by eval, not window.location
WIKI-814: [IE] Cannot manage attachment
WIKI-815 migrate data for wiki page when getting page node version
WIKI-689: Exception when adding wiki portlet into a new site
WIKI-689: Remove comment of the previous commit
WIKI-544 disable the 'Save' button when upload is in progress
WIKI-538: Cancel button is not on the same row with progress bar
WIKI-455 Set height after resizing
Merge feature/stabilization into master branch
Merge remote-tracking branch 'origin/master' into feature/upgrade-gatein-3.7.x