allow makara adapters to be defined in database.yml's via adapter: makara_[underlying_type]. addresses #4
update travis gemfiles to include msyql2 gem
pull jruby. works fine but test suite is a pain w/ jruby
fix adapter naming spec
add ar 4.0 to travis gemfiles
Merge pull request #7 from taskrabbit/adapter_naming

Allow choosing of the underlying adapter via naming convention