Adds search_form context processor
Adds core_tags template library
Move default tagsinput options to widget constructor
Adds SearchForm definition
Adds i18n to forms
Implements presence of search form
Hacks tagsinput.js to clone source tag
Allows 'placeholder' attr to move to tagsInput options
Adds autocomplete to taglist widget
Reverted tagsinput.js hack

:(
Update to jquery 1.9.1
Adds jquery ui for autocomplete
Adds search bar and CSS
Removes 'search' type from search form input

It didn't work very well with tagsinput, since tagsinput wraps the
element in a div and makes its own input element.
Restricts tag autocomplete to user profile
Fix __proxy__ serialization bug
Style the autocomplete dropdown