Don't use Formatters.register in RSpec2
Add RSpec2 compatible dump_failures
Use RSpec2 for testing
RSpec compatible configure
RSpec2 compatible after hook
Add RSpec2 compatibility entry to README
Add vesion specification of rspec-rails for development dependency
Make compatible to rspec-rails2
Swicth rspec version with env
Add developement tips
Add changelog entry
Merge pull request #1 from taiki45/rspec2-compatibility

Support Rspec2 again