Reserve existing hbase table's property when create phoenix table upon it.
Merge pull request #152 from colorant/work

Reserve existing hbase table's property when create phoenix table
Change ScanRange intersect to use binary search to look up key range.
Move binary search into a separate method.
Merge pull request #154 from tonyhuang/salting

use binary search on ScanRanges.intersect.
Remove unused private method and fix warnings