Merge pull request #186 from freeman1988/master

adding tests for java-1.8 and mono-3.6
payload can accept a querystring

If using a webhook, the payload is a querystring (at least with twilio), which JSON cannot parse.  This causes the script to fail with a Syntax Error.

Added try/catch block to retry with querystring.
Merge pull request #187 from dusty/master

payload can accept a querystring
correctly parse payload and catch possible errors for node
Merge pull request #188 from thousandsofthem/update-node-helper

correctly parse payload and catch possible errors for node
add info about params
Merge pull request #189 from iron-io/docs

Info about queuing and scheduling params
Ability to set Default Priority for the code uploaded
Merge pull request #190 from iron-io/default_priority

Ability to set Default Priority for the code uploaded
Merge pull request #192 from freeman1988/master

Adding tests for ffmpeg-2.3 and php-5.5
added bson to gem cache list
adding new  test for java and ruby, and refactoring
Merge github.com:iron-io/iron_worker_ruby_ng