Fixes #10154: add .small
Revert "fix styling of alert-dismissable example"

This reverts commit b3a23fa33a261295ed69adc9fbc75b70bf354962.
fix #10252 by restricting Android Firefox reset to only .form-control & .btn
[doc] minor fix in the LESS mixins example
Merge pull request #10276 from javiereguiluz/patch-3

Correct comment in grid mixin example
fix #10292
More concise 'fastest way' statement, and consistency with the text of the Download button
more refactoring of the 'Getting started' section towards more succinct and active wording.
Fix broken link to alerts section of JS page.

Link was pointing to #js-alerts, but that section of the page does not exist. Changed to #alerts instead.
Merge pull request #10312 from jleight/master

Fix broken link to alerts section of JS page.
deleted files not used anymore after transition to grunt-contrib-qunit
Merge pull request #10315 from mokkabonna/phantom-cleanup

deleted files not used anymore after transition to grunt-contrib-qunit
Getting started docs: tweaks to the _Basic template_ section
Merge pull request #10265 from twbs/fix-10252

fix #10252 by restricting Android Firefox reset to only .form-control & .btn
Merge branch 'master' of github.com:twbs/bootstrap
Merge pull request #10323 from StevenBlack/GSEdits3

Getting started docs: tweaks to the _Basic template_ section
Merge pull request #10299 from StevenBlack/GettingStartedEdits1

'Getting started' section: refactoring for succinctness, active voice, and consistency with button and link captions.
Merge branch 'master' of github.com:twbs/bootstrap
fixes #10136
fixes #10153: restore headings-color variable