fixes 9475

BS3 commit f459d76e388b1d73b8b0065f8fbaf573f7eaed32
fixes #9436 more: put padding on containers, not the body because full width elements

BS3 commit cd0df1d21aaed8751b8c29aab3b30ff027aac89d
fix 9743: pager hover background should be light gray

BS3 commit ab700d753c5dd77d278c7ee284b5d4c8250543c2
fix for 8768

BS3 commit 5e89f71ab26147879812e3491eeacd4b15a5c152
Fixes 9552: Downsize and use whole numbers for panel title to prevent odd 1px bug

BS commit 82f6f08f89ab8b86aa2d5b175493e24d1f4329cb
add comment addressing 9023

BS3 commit 53c80ed9cbeff8a3c58abe0f824ff68ef56d617a
more accurate grid classes in examples

BS3 commit 2a4bd786edd2c03d576f9300d322b1e45cc14d3b
mo betta heading examples labels

BS3 commit 6fe1264a8088bf627fc61d639e59acc65126c41c
Update helper classes to reflect changes and mention mixins

BS3 commit 903e92a3272420de058b2fdf8d301e4d06e3188c