D-Net

added method to get latest update date of opendoar/re3data lists

In the Update repository page's title section we now show the repository logo and name

Added an angle (down/up) icon in show advanced link in select guidelines step of the validation wizard

In manage datasources, repositories can be viewed either in grid or list mode

Fixed an error in updating repository url

Added a Help Admin menu where the administrator user can edit and previewthe help texts

- Fixed the calls to the MyFormGroup constructor
- Moved the login form from pure html code to using gwt widgets

Changed all the major widgets to load appropriate help (if needed) from the database on the fly

added methods to get jobs of users, and job summary
added new constants needed for jobType parameter of get*Jobs* methods

- Moved common code to uoa-gwt-widgets
- Importing uoa-gwt-widgets