cleanup and fix getting options
whitespace cleanup
Add link to documentation
Merge branch 'master' of https://github.com/omeka/plugin-Contribution
use getOptions() in settingsController
Change the text for ajax buttons on admin/contribution items page. Also remove controlls for not-yet-implemented clicking on private items.
Make wording consistent when adding new element
Translatablify some strings
Rework element displays to use the filters available.

Previous work in the 2.x upgrade worked from overriding the ElementForm helper. Now that I understand the filters in 2.x better, it became apparent that new filters obviated the need to override Element_Form.
put the reCaptcha back in
Actually validate the recaptcha. normalize username creation for new guest users
fix name setting
Add filters to respect multiple rows or not
Catch and update some strings for translation
tiny style fix
Merge branch 'filter-elements'
Reinit the map when changing contribution types
use the trigger for resizing that's already attached from Geolocation
Allowed to upload multiple files.
Cleaned white spaces.