Fix 13138: use underscore prefix to ignore directories

BS3 commits: eb102c2e726496e59f3c64bf2b3d87704d482172
Fixes 13079: Scope .open class in button variant mixin to immediate children

BS3 commits: 21084192b642f7a7340a58c88025771ea281f48d
Fixes 13158: add link to nonresponsive docs in the example

BS3 commits: 5c2a9fc9c3009276b3e11cb5a1587a51bb1deb78
fixes 13026: Document more Bootstrap components in the Theme and RTL examples

BS3 commits: e5c2531a165a4f296703a9338b61767683a8fec9
cleanup svg

BS3 commits: ff0a33ab8ca75983454173c6dadc61409cc44626
Fixes 13079: Scope .open class in button variant mixin to immediate children. grunt

BS3 commits: 21084192b642f7a7340a58c88025771ea281f48d,
6951b48e65f6c10e8d29e1ea2853e109943f3c9c
grunt. grunt. fixes 9461 - Make carousel ignore non-items in carousel-inner. grunt. grunt

BS3 commits: c6648d58f047a4889c9e46dc3d1d22e5e17ffe2a,
ce013440e7d5c70be811fe51061bbf5afe943d53,
30b14cdc7f2f903fdb58ad4e4d0f0a316089b946,
6951b48e65f6c10e8d29e1ea2853e109943f3c9c,
488c6b43ede8fe2e6fb3cab2543cc6f939953b0c
Fixes 13079: Scope .open class in button variant mixin to immediate children. Fixes 13141: Add a max-width: 100%; to label elements so IE8 wraps text. grunt. Fixes 13037: add text-align: left; to prevent alignment change in dropdowns

BS3 commits: 21084192b642f7a7340a58c88025771ea281f48d,
6f6bce5944bd0e6ab36ab6b39339f381d8a80b2a,
bc250fb1e7c289ea07b9bcd117d9093021b16f46,
b4f4c7b16f26ca1cf9fabf4bca4447e1cb2a688e
Fixes 13079: Scope .open class in button variant mixin to immediate children. grunt. fixes 9461 - Make carousel ignore non-items in carousel-inner. grunt

BS3 commits: 21084192b642f7a7340a58c88025771ea281f48d,
ce013440e7d5c70be811fe51061bbf5afe943d53,
30b14cdc7f2f903fdb58ad4e4d0f0a316089b946,
6951b48e65f6c10e8d29e1ea2853e109943f3c9c
Fixes 13079: Scope .open class in button variant mixin to immediate children. Fixes 13141: Add a max-width: 100%; to label elements so IE8 wraps text. grunt. Fixes 13037: add text-align: left; to prevent alignment change in dropdowns. Fixes 13066: Add z-index to the form control feedback icons so inputgroups don't render on top of them

BS3 commits: 21084192b642f7a7340a58c88025771ea281f48d,
6f6bce5944bd0e6ab36ab6b39339f381d8a80b2a,
6951b48e65f6c10e8d29e1ea2853e109943f3c9c,
b4f4c7b16f26ca1cf9fabf4bca4447e1cb2a688e,
acf57073231ebd521a87f523de6c51930d3c1ff4