nuke bg image on active/open for buttons for when we add gradients

BS3 commit 7cd35f0cb6d17d6117264f71f175a9e5b0b09580
BS3: Restore examples back to main repo

BS3 commits 05ebd5ebf9b32e7c1d8ea05098c53a0b4496d442
hella examples fixing, mostly navbars and lots of work on grids example

BS3 commit 024e320e5c3cf1adce8404f87e7c0c746461b6e8
new screenshot images and docs section

BS3 commit 7960845f50b8dcdc5b4fce29e6075f447e04318a
More responsive customizer layout

BS3 commit 0c582f722bf5e6430166ef0adb8d4c79948aeea5