ACCUMULO-1862 implement the desired truncate
ACCUMULO-1761 Remove warning introduced in prior commit
ACCUMULO-1614 fixed bug in conditional writer random walk config.
ACCUMULO-1853 updated poms with current dependencies
ACCUMULO-1658 System integration tests should default ACCUMULO_CONF_DIR to ACCUMULO_HOME/conf

Signed-off-by: John Vines <jvines@gmail.com>
Merge branch '1.4.5-SNAPSHOT' into 1.5.1-SNAPSHOT

Conflicts:
	test/system/auto/TestUtils.py
	test/system/continuous/agitator.pl
Merge branch '1.5.1-SNAPSHOT' into 1.6.0-SNAPSHOT
Merge branch '1.6.0-SNAPSHOT'