Travis - test against modern rubies
Ignore .ruby-[version|gemset]

All ruby version managers support .ruby-version and rvm supports
.ruby-gemset.  That should cover all the bases.
Add old rubies back to travis config
Merge pull request #88 from aceofsales/ignore-ruby-version

Ignore .ruby-[version|gemset]
Merge pull request #87 from aceofsales/only-new-rubies

Travis - test against modern rubies
allow for rails 3.2.16 or greater
update gemfile.lock
Support for Chargify Allocations

docs: https://docs.chargify.com/api-allocations
Merge pull request #92 from ruby-fu-ninja/master

Support for Chargify Allocations
added ruby 2.1.3 to build matrix
1.3.0 release preperation with allocations support
Threadsafe chargify sites