Fixed name mismatch of postgresql cookbook in Cheffile (fixes #65)
Merge pull request #66 from benilovj/fix-cheffile-postgresql-name-mismatch

Fixed name mismatch of postgresql cookbook in Cheffile (fixes #65)
Bumped up Oracle JDBC driver build requirement to 11gR2 11.2.0.3
extract matching of symbols (#cleanup)
extract symbol getting and setting (#cleanup)
better name for string in Query class(#cleanup)
Merge pull request #67 from benilovj/bump-up-jdbc-to-11.2.0.3-issue-28

Bumped up Oracle JDBC driver build requirement to 11gR2 11.2.0.3
(closes #28)
vagrant gem dependency dropped (not distributed as gem since 1.1)
Updated CONTRIBUTING.md to make it vagrant 1.1+ compatible