Update jQuery to 2.0.1

[#50735817]
application.js: use .prop instead of .attr (new jQuery isn't forgiving)

[#50735817]

See: http://jquery.com/upgrade-guide/1.9/#attr-versus-prop-
Checkbox: use .prop instead of .attr (new jQuery isn't forgiving)

[#50735817]

See: http://jquery.com/upgrade-guide/1.9/#attr-versus-prop-
Remove cache busting for Chrome > 26

This bug has been already fixed:
https://code.google.com/p/chromium/issues/detail?id=179390
and fix is available in stable Chrome.
Update lab.sublime-project,

'server/public' -> 'public'
'src/vendor' -> 'vendor'
rm 'attic'
Update Gemfile.lock after rb-inotify upgrade
Fix tests after recent change of 'server/public' path to 'public'