Add support for Ruby 2.1.x
Bump the version to not be beta

[skip ci]
Split .ruby-version
Display current Gem version
Retreive venue data from team hierarchy
Add different Ruby versions
Add Code Climate badge

[skip ci]
Migrate the NFL feeds from XML to JSON
MLB cleanup

* Update the README
* Remove API key from being in cassettes
* Stop VCR from recording MLB API in the future
initial nhl implementation
parse children elements for stats, get goaltending stats for nhl
nhl period
updated game spec for period