[TEST] Make sure that a snapshot is completed before trying to modify repository
[TEST] fixed SimpleQueryTests#testMultiMatchQuery check for shard failures

It can happen that not all shards are ready, thus we won't have a total failure, but we do need to check that we have at least a failure. Checked also the message of the failure.
Use patched version of TermsFilter to prevent using wrong cached results

See LUCENE-5502

Closes #5363
Added more logging
Keep track of the exceptions instead of just flagging that an exception has occured.
Blocking writes on a tribe node creates a "blocks" tribe
fixes #5389
Corrected issue with throttle type setting not respected upon updates
[TEST] stabelize SearchStatsTests
[Test] Fix missing release.
[Build] Remove XReferenceManager and XSearcherManager from forbidden-apis' exclude list.

These classes have been removed on the upgrade to Lucene 4.7.