EAGLESIX-2720 expression Substr ported to mongo 2.6.5
Merge branch 'feature/mongo_2.6.5_expressions' into feature/mongo_2.6.5_expressions_Substr
EAGLESIX-2720 Removed test stubs
EAGLESIX-2720 Renamed test file per new convention
Merge branch 'feature/mongo_2.6.5_expressions' into feature/mongo_2.6.5_expressions_Substr
Merge branch 'feature/mongo_2.6.5_expressions' into feature/mongo_2.6.5_expressions_Substr
EAGLESIX-2651: Substr: better sync w/ 2.6.5 code and tests
Merge pull request #29 from RiveraGroup/feature/mongo_2.6.5_expressions_Substr

EAGLESIX-2720 expression Substr ported to mongo 2.6.5