PigParser - Initial work

Pig Parser firefighting

Pig Parsing Firefighting: Downgrading Sqlline to 1.0.9 to get Jline 1.0 back (which is compatible with Pig)

Pig Parser plan fixes, Addition of Limot OPerator, Pig Logical Plan access regulation, Removal of newline dependency while providing pig script on web console

Add support for JOIN. Only suppports named col joins for now.

New compiled protobuf files

Pig Parsing: Supporting Join OP

Join Op Tweaks

Pig Parsing: Handled unterminated DAG branches, Support for UNION, DISTINCT

PigParsing: Adding Pig Expression translation; Support for Pig FILTER op

PigParsing: Structural Re-Org

PigParsing LOCALFILE and CLASSPATH mode

PigParser - Cleanup