peg.js grammar for Cycledash Query Language

all tests pass!

Check a few more error conditions

generate parser JS with gulp
remove generated JS from source control
Add "type" output field; support LIKE, RLIKE, quoted strings
code review
flatten columnName, allow : in field names
allow - and _ in field names
Merge pull request #193 from hammerlab/jiraql

Parser for CQL (Cycledash Query Language)