add btn-default
add additional btn-default
fix broken responsive utilities table

BS3 commit 2c6e854
Couple of fixes for docs and examples

BS3 commit e9f42ec
Fix navbar button docs

BS3 commit 79a4269
fix broke example

BS3 commit da4e7ab
Less specific dropdown styles, change up navbar dropdown styles

BS3 commit 41a76e8
update comments
remove uneeded comments
fix typo