Bump version
Revert "Bump version"

This reverts commit e3feb16ef8debcf9efe26b63328f031d3d5666fd.
Added needed gems
First commit: mongodb plugin
Tests
Removed wrong gem
Adding travis service mongodb
Adjusting mongodb arguments
Test spec correction
Remove comments
Remove vine, add mongo/bson_ext gems
Adapt gitignore
Correct spec params
Nicer hash intersection global config <-> connection config
Restyle plugin
Test change spec
Correct change spec
Add entry to readme
bump version
bump minor version