Added favicon.ico
Improved code readablity and fixed minor style issues
Fix issue #7: Error occures while accessing "Common Blocks" window
Removed duplicate method and changed lang() method calls
Changed lang() function calls, removed undefined mehtod (scrub) calls, added user role check for admin controllers.
Conflict resolution
Added checks for use password change.
Set HttpOnly flag for cookies
removed logging from permitUser
Added self-deletion check for user_editor controller
Improved code readability
Page publish fix
Set default charset
XSS prevention. Not all places are escaped, especially modules.
Merge branch 'secdev':

* Escaped some user input to prevent XSS. Modules are still vulnerable.
* Added basic role based acces rigths to controllers
* Numerous bug fixes
* Improved code readability
* Added default favicon