Fixing some issues with discovering the local tmp directory.
Formatting update.
Fixing a NPE when accessing the length of a evicted detachable cache value.
Fixing resource leaf with the prime docs when the wrong atomic reader is used.
Changing the behavior of the hdfs kv store to share a single timer instead of each instance creating a seperate thread for background operations.
Removing dead code.
Merge branch 'master' of https://git-wip-us.apache.org/repos/asf/incubator-blur