Bugfixes:
* Searching by tag with extended characters now works. #1151, #1231
* Searching for entities works properly with case-insensitive metadata. #1326
+ * Invalid views now default to 'default' view. #1161.
API changes:
* New plugin hook system:unit_test for adding files to unit tests.
* $is_admin global deprecated; use elgg_set_ignore_access() instead.
* Deprecated get_entities(). Use elgg_get_entities().
+ * Deprecated get_entities_from_metadata(). Use elgg_get_entities_from_metadata().
Services API:
* Separated user and api authenticate processing