Support for hovering on cell's with state 

If parent row are hovered, child cell with state should react to this.
Move ie8-responsive-file-warning.js one dir up.

This is a regression of d08bbdc6ec50baca9e34d2aa6e8bcfc8d6135217.
Update grunt-contrib-less to v0.11.0.
Fix vertical alignment of temporal inputs on iOS

Fixes #13098
Closes #13099
grunt dist
Merge pull request #13101 from twbs/ie8-responsive-file-warning

Move ie8-responsive-file-warning.js one dir up.
#ffff -> #fff

:smile:
Merge pull request #13135 from ZDroid/color-typo

#ffff -> #fff
Remove redundant `<code>` styling

npm shouldn't have `<code>` styling.
Merge pull request #13137 from ZDroid/bad-st

Remove redundant `<code>` styling
Add tooltip `viewport` option, respect bounds of the viewport
Update JSZip to v2.2.0.
Update time-grunt to v0.3.1.
Merge pull request #12328 from benogle/bo-tooltip-adjust

Add tooltip `viewport` option, respect bounds of the viewport
Switch to `icon` instead of `shortcut icon` to fix the HTML validation tests.
Update QUnit to v1.14.0.
tests/index.html: add missing `meta charset`.
tests/index.html: re-indent.
Fix popover when using append.
Add test for popover.