Table: remove reflow CSS hack for Safari <= 5

It causes problems with assistive technology not being able to detect tables.

This effectively reverts bafa5d95d1ae2f028749c710aa198b96de7eeb3d, thus
removing the fix for gh-5380.

Closes gh-6584
Fixes gh-6583
Re gh-5380
Build: Updated jQuery core
Build: Updated version in Bower JSON file
Theme: Keep background for checkbox-off icon when using no-disc icons

Fixes gh-6993
Closes gh-7451
Theme: Added a comment for the ThemeRoller

Fixes gh-7454
Closes gh-7455
Table: prevent jqmData calls for columns without a priority.

Closes gh-7315
Fixes gh-7357
Helpers: Fixed typo in description

Closes gh-7429
Defaults: Fixed minor typo in comment

Closes gh-7427
Build: Update version from pre to -pre

Ref jquery/jquery-release#61
Closes gh-7328
Slider and Rangeslider: Express module dependency

Both modules have a hard dependency on the "vmouse" module that should
be expressed in AMD.

Re gh-5987
Closes gh-7383
Closes gh-7274
Demos: Allow text selection in INPUTs and TEXTAREAs.

Closes gh-6819
Selectmenu: Delay trigger until after the list closes

Closes gh-7197
Fixes gh-7076
Selectmenu: Flatten custom select item click handler
Selectmenu: Capitalize initial letter of comments