Changed last-child to first-child
As noted by @jerem the first child will actually be the last shown
replace js scrollspy test for default behavior
Allow tabs to fade in if no initially active pane is present; fixes #13814
Add a few more cases to the visual test tab page
assign background to row of .table-striped

if background is not set on row, striping doesn't work properly in responsive tables where row and cells are set to  display: block.
removing redundant background declarations on TDs
Added @gray-base variable to make @gray-{shade} reference, also allows @gray-base to be modified with less#modifyVars and the vars to cascade
Fixed @gray-base value being once space short
Use mousedown instead of click for backdrop click detection; fixes #13816
Only close modal if escape was hit with keydown; fixes #13929
possible fix for #14013
Add collapsed default class to navbar-toggle
Mark the `remote` option of the Modal plugin as deprecated.

Follow-up to https://github.com/twbs/bootstrap/issues/13087#issuecomment-46563760
Closes #13087 as WONTFIX.
Closes #13597 as WONTFIX.
modal docs formatting tweak

[skip sauce]
Add Wall of Browser Bugs entry for #13892

Closes #13892.
[skip sauce]
Merge pull request #14037 from twbs/close-13892

Add Wall of Browser Bugs entry for #13892
Docs: add missing example code code for `kbd` after #13351.
Merge pull request #14047 from twbs/kbd

Docs: add missing example code code for `kbd` after #13351.
Merge pull request #13464 from nickcolley/#13325-navbar-right-first

Changed last-child to first-child to fix #13325
grunt