WebDeposit: initial release

• Introduces WebDeposit Article submission demo.

• Adds Sherpa Romeo autocompletion for publisher, journal and ISSN fields.

• Adds AJAX field error checking.

• Adds draft saving capabilities.

• Creates form dynamically from class.

• Adds custom field classes.

• Adds autocompletion and error checking for every field.

• Adds support for dynamic form and field loading using pluginbuilder.

Reviewed-by: Jiri Kuncar <jiri.kuncar@cern.ch>