Release is built against the Apache Hadoop 2.4.0, HBase-0.98.1 and Accumulo 1.5.1 artifacts
Merge branch 'release/slider-0.40'
SLIDER-251 Upgrade hbase dependency to 0.98.4
SLIDER-329: release slider-0.5.0
Merge branch 'master' of https://git-wip-us.apache.org/repos/asf/incubator-slider
Merge branch 'release/slider-0.50.1-incubating'
SLIDER-331 add license to get-hbase-site.xml
SLIDER-349 ignore target/* from RAT; stops it complaining about signature and checksum files
Merge branch 'hotfix/SLIDER-349-headers' into develop