ACCUMULO-2625 Remove build warnings for 1.4
ACCUMULO-2529 Show compiler warnings in maven build
Merge branch '1.4.6-SNAPSHOT' into 1.5.2-SNAPSHOT

Conflicts:
	pom.xml
	src/core/pom.xml
Merge branch '1.5.2-SNAPSHOT' into 1.6.0-SNAPSHOT

Conflicts:
	pom.xml
Merge branch '1.6.0-SNAPSHOT'