add 0.90.5
Plugins: Automatic detection of site plugins fails to copy over the content to `_site`
closes #3707
Fixed PluginManagerTests

It caused the deletion of the existing bin/plugin script when run from the IDE
Use 'indexRandom' in GeoDistanceTests
FlushNotAllowedEngineException during optimize
default to wait if a flush is on going when executed as part of optimize request
closes #3631
Better handling of /_all/_search when no indices exist
closes #3710
Beef up 'indexRandom' by running index requests concurrently
Add `node.mode` with `local` or `network`
Compared to setting node.local to true, would be nicer to support node.mode with values of local or network.

Note, node.local is still supported.

closes #3713
Elasticsearch startup script supports directories containing spaces

Closes #3712
Create should use the same index name as the index request in tests
Autodetect indices when 'indexRandom' is used.
Serving cluster state version log line set to TRACE instead of DEBUG