move to slider-client.xml, including in test configurations; home dir is .slider
Exit code renames
hbase funtests to request hbase provider
BUG-15653 update specification and model markdown files with new terminology, spec model & other concepts
BUG-15868 updating release POMs for 0.20.0
Merge branch 'release/slider-0.20.0' into develop
BUG-15868 updating development POMs to 0.21.0-SNAPSHOT
support for direct REST invocations (no redirect to RM proxy)
BUG-15901 More hoya/slider handling
BUG-15901 Proper cluster name in accumulo instance name.

Add a unit test to ensure the instance name is properly set. Add a
method to get the necessary info out of ZKIntegration for a unit test.
BUG-12174 Lift out the common bits for accumulo funtests into its own class
BUG-12174 Need to fully qualify to get compilestatic to work
BUG-12174 Remove copied code. Fix junit before/after annotations
BUG-12174 More missing CLUSTER/getClusterName replacements
BUG-12174 More groovy errors
BUG-12174 Make sure we can create a table
BUG-12174 Short option doesn't work. Need to set slf4j annotation
BUG-12174 Get one of Accumulo's built-in distributed tests running via funtest
BUG-12174 Clean up the rest of TestAccumuloCI and make sure the test can run via distributed MR.