Fix avatar edit permissions (by Jerôme Bakker)
fixed: wrong default behaviour in can_edit_entity_metadata
Merge pull request #5641 from jeabakker/can-edit-entity-metadata

wrong default behaviour in can_edit_entity_metadata
Fixes #5647 - Corrects handling of plus sign in elgg.parse_str
style fixes
Fix ElggLibTest.prototype.testParseStr
Add JsTestDriver jar to gitignore
Merge pull request #5650 from mrclay/pr5648

Fixes #5647 - Corrects handling of plus sign in elgg.parse_str
Fixes #5673: Properly check simplecache views list if cache file missing
Merge branch '18_avatar' into 1.8
preparing 1.8.16 release