Introducing Session Managment

Provides a simple mechanism for creating and accessing named
key-value-stores, e.g. for session data.

Signed-off-by: Alexander Siol <dunklermeuchler@gmail.com>
Fixes and API changes in [Abstract]SessionManager, Session

Signed-off-by: Alexander Siol <dunklermeuchler@gmail.com>
Changed SessionManagers backend to QCache, misc. fixes.

Signed-off-by: Alexander Siol <dunklermeuchler@gmail.com>
Updates documentation for Session Managment
Fix export symbols for win32 compilation.
Merge branch 'master' into session
Added comparison operators for Session.
Moved operator== and operator!= inside of Session.
Moved Sessions operator==/!= implementation to the source.
Moved Sessions operator==/!= back to namespace Nuria.

This was done because QTestlib fucks up implicit casts when the operators are
defined inside the class.
Fixed memleak in SessionManager (missing dtor)
Fixed formatting-foo.
Merge pull request #2 from delgor/session

Introducing Session Managment