add possibility to use root-mysql-connection to new database class

Signed-off-by: Michael Kaufmann (d00p) <d00p@froxlor.org>
ehance new PDO database class

Signed-off-by: Michael Kaufmann (d00p) <d00p@froxlor.org>
Merge pull request #141 from BNoiZe/master

Moving "add"-links to top, removing unused froxlorclient
Removed unused and duplicate icons
Merge branch 'master' of git://github.com/Froxlor/Froxlor