Merge tag '2.1.0' into develop

Release 2.1.0 of the BWA-Mem workflow
Updating the decider to work with the 0.3.0 PCAP-core generated metadata submitted to GNOS. See https://wiki.oicr.on.ca/display/PANCANCER/PCAP+Sequence+Submission+SOP+-+v1.0
Dealing with empty cluster specification
Cleaning up output of decider
Removed decider since it's already been moved.  Updates to the upload code to deal with changes in attribute names.
Adding to README
Correcting path
Notes about running in BioNimbus
Small tweak to the docs
Merge remote-tracking branch 'origin/feature/brian_bionimbus_bwa_improvements' into feature/brian_bionimbus_bwa_improvements
Updated some output to make it easier to see what's running on each cluster
Adding more info about workflows running
Update java version to 7.0.51
This is an example of a HelloWorld using docker, read the readme
Need to build image in addition to saving it
Fixes for Amazon
Hack to cleanup until the workflow is fully updated
Update seqware version to 1.0.13
Working on this POS, cron really leaves a broken shell env
Merge branch 'feature/brian_bionimbus_bwa_improvements' of github.com:SeqWare/public-workflows into feature/brian_bionimbus_bwa_improvements