FLUME-2014. Race condition when using local timestamp with BucketPath

(Mike Percy via Hari Shreedharan)
FLUME-2023. Login to secure HBase before creating HTable object

(Hari Shreedharan via Mike Percy)
Switching to branch FLUME-2015

Reverting "Add interface ElasticSearchIndexRequestBuilderer"

This reverts commit 1056c129b10c95cee50e0c3f77e309668f82bfc6.
Merge remote-tracking branch 'upstream/trunk' into trunk