Build: Replace @VERSION in release tags

Fixes #10006
Closes gh-1239
Build: Validate number of generated manifests

Closes gh-1241
Autocomplete: Search if the user retypes the same value

Fixes #7434
Closes gh-1238
Build: Add manifest entry for selectmenu

Closes gh-1240
Build: Fix manifest dependencies

Clone bower dependencies instead of reusing and modifying the same object
multiple times.
Menu: Vertically center icons. Fix menu item wiggle and clearing in IE8

Fixes #9995
Closes gh-1235
Widget: Remove misleading comment
Authors: Update
Tabs: Move `aria-expanded` from active panel to active tab

Fixes #9622
Closes gh-1251
README: Remove content that exists on the contribute site
Selectable: fix mousedown on hierarchical selectable items.
Selectable: added "border" tolerance option, for lasso in border of cntr
Resizable: handle box-sizing:border-box