Add blueimp Gallery module and add support in gallery shortcode
Cleanup blueimp gallery shortcode and fix for multiple galleries on same page.
switch to jquery version of blueimp
fix blueimp jquery gallery to use separate widgets when there are multiple galleries on a single page.

also includes necessary changes for previous commit (moving files around)
A bunch of overdue fixes that might be needed for previous few commits
-update some global option names
-update libraries
-update page layouts
-update archive/index for new sidebar system
update readme.md for 3.0