ACCUMULO-1964 Initial updates to the README for new native-map packaging.
ACCUMULO-1964 Create a convenience script to build and install the native map code in the expected directory
Merge branch '1.6.0-SNAPSHOT'
ACCUMULO-1967 Magitator should respect presence (or lack) of a 'gc' file
Merge branch '1.4.5-SNAPSHOT' into 1.5.1-SNAPSHOT

Conflicts:
	test/system/continuous/magitator.pl
Merge branch '1.5.1-SNAPSHOT' into 1.6.0-SNAPSHOT
Merge branch '1.6.0-SNAPSHOT'