first stab at swapping out collection recs
to save memory when # of collections is high
fix collection swap logic a bunch. seems to work now.
fix core when deleting collection
that is not swapped out.
lots of fixes for collection swapping.
more collection swapping fixes
Merge branch 'testing' into diffbot-testing
Merge branch 'testing' into diffbot-testing
fixes to pass smoke tests.
remove size limit on coll.conf
Merge branch 'diffbot-testing' of github.com:gigablast/open-source-search-engine into diffbot-testing
remove graphix
Merge branch 'diffbot-testing' into testing