ACCUMULO-1514 Dynamic classloader now has same behavior as general classloader

don't matter
I jumped the gun

Revert "ACCUMULO-1514 Dynamic classloader now has same behavior as general classloader"

This reverts commit 2f5974ca62ac58b07a53e021652f4b80756dc07d.
ACCUMULO-1823 deal with hadoop-2.2 throwing an exception
ACCUMULO-1825 Change up the comparisons on as we were getting a lot of
churn from the metadata and root tables.