Show deployed/current commit and committer date in footer

Squashed commit of the following:

commit 6403474b97ff93ae263900d065a8c0e86eb21e20
Author: Thomas Schank <DrTom@schank.ch>
Date:   Wed Dec 11 14:45:07 2013 +0100

    Show deployed/current commit and committer date in footer

commit 5ec68de2a9cab1628e63a74f6c83e9945ea10e7b
Author: Thomas Schank <DrTom@schank.ch>
Date:   Wed Dec 11 14:13:03 2013 +0100

    Towards git commit
show tooltips with full text content