implemented RUN_PLUGIN BB action, small refactoring
Still we need to ignore tests that require a mongo server
projecting only the sum in the aggregationoutput
Ignore tests that require a mongo server
New method to get the total size of all mdstores with a given format, layout and interpretation.
fixed test
fixed garbage collection of unused mdstore
added mongo speed test for feed action
reintegrated bulk writes branch
prepare for release
Ignore Test
merged from branch transaction-mdstore