updated deprecated usage in unit tests
Fixes #5030 deprecates determining plugin from debug backtrace
namespaced private plugins functions and updated deprecated function usage
Merge pull request #5669 from cash/plugin_calling

Fixes #5030 deprecates determining plugin from debug backtrace
only store guid in the session
Fixes #5673: Properly check simplecache views list if cache file missing
merge 1.8 into master
Remove .gitignore line for (no longer used) JsTestDriver
Merge pull request #5674 from mrclay/18_merge_20130622

Merging 1.8 into master
Refs #5538 - Added regression test
Fixes #5538 - Adds Additional columns filtering in AttributeLoader
Refs #5543 - Regression test
Fixes #5543 - Adds ElggEntity::loadAdditionalColumns that loads additional select columns into volatile data with prefix row:
Refs #5544 - Regression test
Fixes #5544 - Allow new data to be injected into entity if query performed
fixed line endings and replaced calls to elgg_get_metadata_cache()
Renamed elgg_theme to aalborg_theme
Fixes #5677, #5678 moves bc code into Router::route
casting to bool
Merge pull request #5672 from cash/user_session

only store guid in the session