PLF-5382 : Memory Charts gadget not displayed in IE8

Fix description:
	- Update qplot to 1.0.5
PLF-5311: Improve labels of Group Navigation and Space Navigation

Fix description:
* In Group Navigation title, keep only the group name.
* In Space Navigation, concatenate the labels for translation purpose.

Conflicts:

	extension/portlets/platformNavigation/src/main/webapp/groovy/platformNavigation/portlet/UISpaceNavigationPortlet/UISpaceNavigationPortlet.gtmpl
PLF-5704 [Space Navigation] Wrong space link when domain name containing 'portal' word

Fix description
* Correct the way to get portal URL independent from its domain name.
PLF-5650: Restrict node exo:LoginHistoryHome from anonymous

Fix description:
	- Restrict permission of exo:LoginHistoryHome to *:/platform/users (READ only) and *:/platform/administrators ( ALL permision)
PLF-5653 i18n in Bookmark gadget

Conflicts:

	samples/gadgets-sample/gadgets/src/main/webapp/gadgets/Bookmark/Bookmark.xml