Update ecoadapters/src/main/java/com/inadco/ecoadapters/pig/PigUtil.java

Fix for repeated schema
Added protobuf fix
punting out mr1 artifact, staying with mr2 only.
Merge branch 'dev-0.5.x' of github.com:Agilone/ecoadapters into dev-0.5.x
Merge branch 'dev-0.5.x' of github.com:dlyubimov/ecoadapters into dev-0.5.x