Merge pull request #45 from hessius/master

Added setting for more visible fanart (70 vs 85 %)
Added: Support for Dark themes

Each colour theme now has a Dark version available.
Merge branch 'master' of https://github.com/Sranshaft/skin.immersive
Removed: Unnecessary font
Added: Search menu option
Fix: Text wrong colour when theme set to dark
Fix: Alignment issues
Fix: Clipped text
Changed: Image used for busy dialog
Updated: PVR navigation fix and Search window
Added: Correct XML Headers

In prep for recent Gotham change regarding XML parsing.
Merge remote-tracking branch 'upstream/master'
Upstream merge