added preview images for themes in shelf settings
4th theme for shelf auto episode list
New XBMC menu item: reload skin
overlay image for watched&in-progress items
better preview picture for theme #4
updated addon.xml to separate from pecinko original skin
major consolidation of theme elements:
1. all tv episde items in shelf moved into <include> tags, to be drag-dropped as needed in themes
2. all hover boxes (rectangles over selected item) consolidated in <include>s
Merge branch 'master' into amitk-testingbranches
merged 20131229-amitk-TVShelfThemeSetting and fixed conflicts