normalizes contexts and finishes logs

[Elorfin]

Q	A
Bug fix?	yes
New feature?	yes
BC breaks?	no

• integrates contexts in the Claroline component system
• integrates tools in the Claroline component system
• integrates logs in the Claroline component system
• removes SSO integration with HWIOAuth.
• removes duration calculations
• removes connections storage (Platform, Workspace, Tool, Resource). Replaced by a FunctionalLog "open".
• removes custom redirection after login (either redirect to the last claroline page or the desktop).
• removes custom "home types" (URL, HTML).
• removes personal desktop home tabs feature.
• adds operational logs