fixes 9985: update grid classes in grid example

BS3 commits: c8c3bf00b6f7e8f765ae9c51eb0d8b4498c34d02
run grunt dist. generate CSS banners via Gruntfile; fixes 10101. Remove old and unused .prettyprint styles in code.less (per 10566)

BS3 commits: a9335e94e1ed7578bc8ec20140b0846666f06a1a,
2b5d7d23d0e6de93cd0ba8b1d4eee480e4cb504d,
5d1707a25c0ee68644a182196439a86be1beafbd
generate CSS banners via Gruntfile; fixes 10101. Remove old and unused .prettyprint styles in code.less (per 10566)

BS3 commits: 2b5d7d23d0e6de93cd0ba8b1d4eee480e4cb504d,
5d1707a25c0ee68644a182196439a86be1beafbd
rm period from licensing header so it's not mistaken as part of the URL. generate CSS banners via Gruntfile; fixes 10101

BS3 commits: 76d8757b0a2a2669a67d2131cbc4330e4c0cd2e8,
2b5d7d23d0e6de93cd0ba8b1d4eee480e4cb504d
Remove multiple touch icons and roll with a single one

BS3 commits: 022e40404c283bc6f211cf3e5d55ef7a7d204cdb
Remove multiple touch icons and roll with a single one. Fix capitalization of “list groups” in middle of sentence

BS3 commits: 022e40404c283bc6f211cf3e5d55ef7a7d204cdb,
c62426daeb8e7709422ab2eeeb0cf2eb2fad4575
Remove multiple touch icons and roll with a single one. Fix 10324: Add opt-in note to tooltip docs

BS3 commits: 022e40404c283bc6f211cf3e5d55ef7a7d204cdb,
6ea2893af1ddb220d449e36b52389fad8c147aba