Remove .rspec file so developers can manage their own
Test Ruby 2.0.0 and use progress formatter on Travis
Fix deprecations and run on Ruby 2.0.0
Use --format instead of --formatter
Fix README markdown and gemspec
Move development dependencies into gemspec
Use the correct branch on the badge
Merge pull request #143 from opscode/adamed-open-source

KNIFE-345: KNIFE-346: ReadMe and test deprecation cleanup contributions
Fixes `--secret` and `--secret-file` options

* propagates knife.rb configurations
* adds CLI options to `knife ec2 create` and prefers those values over
what is in knife.rb
* adds specs
Merge pull request #145 from opscode/adamed-knife-349

KNIFE-349: Propagate "secret" and "secret-file" values for use when bootstrapping a new EC2 instance