Added 'extlib' folder which will contain 3rd party jars which override jars from other (Hadoop, HBase) projects.
Do not uppercase storage plugin configuration names.
Curator needs to be started before ServiceCache can be built.
Logging to track allocator initial reservation
DRILL-865: Interface changes to AbstractRecordBatch to enable easy collection of stats.
Add BaseRootExec as a wrapper to collect stats for senders.
Add BaseRootExec which will enable collection of stats for Senders
Add SenderStats that collects stats specific to senders.
Reset fragment allocation for each minor fragment