#1213218 by davereid: Add relationships for file/image fields + backward relationships
#1213218 by dereine: Make file->user relationship explicit
by dereine: Add back some missing handlers
#1208824 by linclark: Add views_ui_pre_render_add_fieldset_markup to plugins forms as well
#1191928 by dafeder, bojanz: Make views forms work with ajax
Revert "#1191928 by dafeder, bojanz: Make views forms work with ajax"

This reverts commit 2559eea457d03a79f582d6d373e2900483798e5e.
#1207680 by damz: Don't validate if there are no options set, the values are empty and required is not set
by dereine: Use version_compare to detect whether an imported view is valid
#1208738 by dereine: Allow to add views from templates again
#1213916 by stella, dereine: Make views search filter/argument work with more complicated searches
by dereine: Remove ssh-agent which isn't used but can cause a fatal error
Add uses_exposed_form_in_block() method to the display so that CTools can specifically make content panes have exposed form in a block.
#1224630 by rvilar: Port filter by content translation to add_where_expression
by dereine: Fix error message when on validating filter_in_operator
#1225322 by pcambra: Allow to submit/validate form elements placed in area handlers (header, footer, empty)
#1221648 by Amaylia: Crush down the size of the sprites
Issue #1020540 followup: Text improvement from kmcnamee
Issue #1180510 by dereine and mstrelan: Add case control options to links.
Issue #1221946 by dereine: Invalid placeholders breaking min/max in exposed filters.
Issue #1185572 by martinjbaker: Remove unnecessary description with typo.