cleanup of scan key building
Bug fix for IS NOT NULL queries
escape table name for CSV loader
Add ScanRanges class to abstract CNF of scan ranges, use CNF to form start/stop of scan, refactor key range setting/building to ScanUtil
turn on SkipScanFilter for ranges, bug fixes to SkipScanFilter
Actually initialize sortOrder.
Re-enabled SkipScanFilterTest and fixed lots of skip scan bugs
Minor cleanup of SkipScanFilter code
Fix explain plan and show tables for usage in psql scripts
Override lame hbase default for scanner caching
Fix for leaking result set and sum of unsigned int/long
Refactor, get test to pass.
Merge remote branch 'upstream/master'

Conflicts:
	src/main/antlr3/PhoenixSQL.g
Handle bit inversion in WhereOptimizer.