support quoted arguments to avoid Args processing based on starting dashes or equal signs
Revert "support quoted arguments to avoid Args processing based on starting dashes or equal signs"

This reverts commit 588d2c570dd4b4df4c34e2abf3fae5ce4d137a2f.
Merge branch 'develop' into feat-args-equal
Re-throw the exception in Tool.
Change extraInfo to val.
Merge pull request #487 from twitter/klin_fix_tool

Re-throw the exception in Tool.
Re-throw all exceptions in Tool.
Merge pull request #490 from twitter/klin_fix_tool_run

Re-throw all exceptions in Tool.
Change version number to 0.8.6.
Bumping version numbers.
Bumping version numbers.
Adds serializers for Field
Fix an bug introduced in the previous commit
Merge pull request #485 from twitter/add_meatlocker

Meatlocker all ops in Operations.scala
remove support in Args for key value pairs separated by an equal sign
Add support for sample with return
Implemented Donald Knuth's algorithm for Poisson random generation. Removed colt dependency.
Added support for FlowSkipStrategy and FlowStepStrategy on a Job.
hide the flowDef to improve encapsulation and facilitate creation of flows that do not have a flowDef such as riffle jobs
add support for required positional arguments, with a descriptive error message as opposed to IndexOutOfBoundsException for args.positional(2)