SAMZA-349: add Timer in Metrics
SAMZA-350; allow dynamic log level toggling
SAMZA-365; fixing javadocs that break in java8
SAMZA-366; fix javadocs in jmx appender
SAMZA-251: add metrics for choose/process/window/commit/send time
SAMZA-372; fix lesscss to use proper buildDir
SAMZA-372-2; follow on patch to fix lesscss
SAMZA-373; fix java 8 javadoc compilation error
SAMZA-379; turn down verbosity of debug logging
SAMZA-259: Restructure documentation folders
SAMZA-384; speed up taskinstance send method by removing logging
Revert "SAMZA-384; speed up taskinstance send method by removing logging"

This reverts commit 5cfb13ebdd779bbd59b240e3f9a5fd854715a6ab.
SAMZA-383: fix switch-version button may link to invalid pages
SAMZA-385: fix local-site-test does not overwrite SVN directory.
SAMZA-370; document job.systemstreampartition.grouper.factory in config table
SAMZA-384; eliminate send method in task instance and send messages from collector immediately.
SAMZA-382; properly shutdown jmx server when an exception occurs in samza container
SAMZA-381; update docs for log4j jmx appender.
SAMZA-377; switching run-class.sh to use java home instead of hard coding java
SAMZA-361: Remove Grizzled SLF4J