clean-up
tabs
loading of js moved
load js only if page is displayed
help tab + loading js only on plugin's page
limit menu to network_admin
meta fix (code styling)
proper textdomain
fix proper code styling (see: http://codex.wordpress.org/WordPress_Coding_Standards)
fix code typo
DE language update
smaller tab about content
css optimization
moved PHP 5 constructor before PHP 4 to remove strict warning
added if class_exists + init by global var
added .git* files + moved screenshots to assets branch