Initial prototype with Ext4
More stuff
Fix typo missing self
Merge remote-tracking branch 'upstream/integration' into proto

* upstream/integration:
  Added meta param obj and deleteVar function to UP
  Fix typo missing self

Conflicts:
	WebApp/template/root.tpl
Cache structure changed.
New functionality in the client core
Merge from upstream
fix
implementation of desktop states mechanism
new features: desktop state load and save
Change in the core architecture
New features implemented
Code commented and purified
icon add
fix
fix
fix
fix
restructuring
new features