Use internal $ shortcut.
Do not use jQuery to check Modernizr features.
Remove no-jQuery tests.
Fix tests.
Form: (un)lock.form.tamia events, autolock component, rename enable/disable.tamia events.

1. New events: lock.form.tamia / unlock.form.tamia.
2. New component autolock to disable submit button on form submit.
3. enable.tamia / disable.tamia → enable.form.tamia /
disable.form.tamia.
Layout: grid-explode demos.
Modal: tweak demos.
Remove unused function.
jQuery is required now.