BK-1149 Create page for Site settings in control center
Fix conflict on merge https://github.com/sourcefabric/Booktype into 2.0
BK-1150 Create page for General settings in control center
BK-1014: JavaScript files should not be chmod executable
BK-1014: Delete left-over gitignore file
BK-1044 Convert old config functionality to new booktype application
Merge remote-tracking branch 'sf_booktype/2.0' into BK795_2
some plumbing - prev button works now