Update Bootstarp to v3 rc1
Enh: Reindent and other stuff
Del: unused div
Change the first bs2 classes to bs3rc1
some tests
Change grid classes
Change Grid class
Fix important impact element
Fix login layout
Fix system layout

Clean up
Fix menu pointer possition
Del unused classes
Fix btn size

Fix logo size
Enh: ext. Grid options
Merge branch 'master' into develop-BS3RC1
first migration tests / system log
Committed some small changes
Merge branch 'develop-BS3' into develop