ACCUMULO-1733 Add in a better message on minicluster Initialize failure
to look at the logs directory.
Merge branch '1.4.5-SNAPSHOT' into 1.5.1-SNAPSHOT
Merge branch '1.5.1-SNAPSHOT'

Conflicts:
	minicluster/src/main/java/org/apache/accumulo/minicluster/MiniAccumuloCluster.java
ACCUMULO-1494 Add support for accumulo jar command.

Signed-off-by: Eric Newton <eric.newton@gmail.com>
Skip attempt at JAR classpath scan if JAR missing.

Signed-off-by: Eric Newton <eric.newton@gmail.com>
Merge branch 'master' of https://git-wip-us.apache.org/repos/asf/accumulo