Many many updates: CSS changes to change appearance of tabs and buttons; shuffling of YUI css and image files; initial setup page is ready; multi-form submit is less annoying... etc...

Added rootUrl() to form action attributes; changed lookupObjectValue() calls to lookupValue() to avoid string parsing issues; added some form submission methods to XNAT.xhr.

Updated init check to check for whether the siteUrl is initialized. If it's not, system is assumed to be uninitialized.

Added <textarea> panel element; improved handling of values that are looked up from a javascript object.

Readded some changes of Flavin's that got lost and updated them to match new way of doing permissions. The relevant xnat_builder_1_6dev changesets are a05e3e5, b9b32dd, and a5d40e9.

XNATX-428 Readded fix that got lost in move to 1.7 for issue with the calendar that caused multiple modals to be spawned in visits and protocols.

Removed old version REST API, added new buildInfo call in siteConfig, added build plugin to retrieve git repo info and build number.

Conflicts:
	src/main/webapp/scripts/xnat/url.js

Changed value/object lookup syntax to '??' - if an input value starts with '??' the following expression will be evaluated to get the value

Slowly adding and testing value population and setting in Admin UI panels. Also fixed context root problem on form action.

Fixed project access requests. Fixed bug where unverified users were unable to log in even though require verification was set to false.

Tolerate possible undefined values being passed to XNAT.url.rootUrl() function; tweaks to xmodal dialog styling.

RootConfig, removed YAML object mapper which is now created directly by
the serializer service.

Added /setup files; added panel.multiForm widget that will submit and reset all child <form> elements; style tweaks for panel.form and panel.multiForm widgets.

Made it so that users can register when users are autoenabled and no email verification is required.

Conflicts:
	.gitignore
	src/main/webapp/scripts/xnat/xhr.js

Moved initialization of object mapper builder, added more features and options to builder configuration. Added preference bean mixin to builder. Added log4j.properties to resources and disabled Turbine log4j load.

Added Hibernate 4 module to JSON serializer/deserializer to remove proxy properties in serialized JSON.

Modified CSS and HTML structure to make the the user bar and main nav use the full window width; removed the gray background from the body; other miscellaneous updates.