context 7.x-3.3

Changes since 7.x-3.2:

1. Issue #2185613: Add a "Template suggestions" reaction by colan: Add a "Template suggestions" reaction.
2. Issue #2187889: htmlspecialchars() expects parameter 1 to be string, array given in check_plain() (line 1571 of bootstrap.inc) by colan: Use empty string as default value if there isn't one.
3. Update to add necessary permission for context ui tests
4. Issue #835090: Context Reaction: Set menu trail by Karsa, Deciphered, nedjo, fearlsgroove, Dane Powell, Angry Dan, mgifford, Jibus, Bußmeyer, tomb, c4rl | rjacobs: Set context reaction menu trail.
5. Issue #1922840: Context doesn't render regions in the same order as Core by eric.chenchao | iamEAP: Render regions in the same order as Core.
6. Issue #1018834: Default context condition that applies when no other non-sitewide context is active by fearlsgroove, ttkaminski | Rob_Feature: Add a no-context condition, except for the default site-wide one.