reincorporate rollback and bump

curiously $current is not showing any up_to_date array
should work if ( isset( $current->up_to_date ) )
$current->up_to_date now showing so extra code removed, bump
fix link to WhiteLabel framework
create rollback array for $config
testing rollback
set $response if API call returns empty array for checking tags
check for 'no tags here' as transient and return
bump to push most recent changes
more precise check for rollback and theme to create download link
spacing fixes
spacing
fix for 200 response with empty array for tag check
change log update
added $tag to GitHub_Theme_Updater __construct, hopefully to get closer to rollback feature
fix variables and equals to identical
spacing and change equals to identical
yet another attempt to get rollback to work.
changes updates
finally fixed rollback theme option, now to make it look pretty.