Add Platform#supports_dynamic_frameworks?
Fixes the reading of dependencies that have spaces in their subspecs' name
  from Lockfiles.
[DependencySpec] Unswap spec names
Merge pull request #198 from CocoaPods/seg-dependency-from-string-subspec-spaces

Fixes the reading of dependencies that have spaces in their subspecs' name from Lockfiles
Merge pull request #195 from CocoaPods/swift

Framework / Swift Support in CocoaPods
[Podfile] Allow the specification of plugins
[CHANGELOG] Add podfile plugin entry
Merge pull request #196 from CocoaPods/seg-podfile-plugins

[Podfile] Allow the specification of plugins
[Linter] Split Linter result attribute name from message

Splitting the attribute name from the message allows for more
extendibility and in general better practice for linter errors.
Currently, the attribute names are just added to the front of messages.
This change will enforce specifying an attribute name.
Merge pull request #199 from CocoaPods/linter-result-attribute-name

[Linter] Split Linter result attribute name from message
[Linter] Cleanup the github sources checks

Code climate hates this function so I pulled it apart a little bit. Also
since you can't have a gist that starts with `www.`, added a check for
that as well.
Code review comments
Style fixes and changelog
Merge pull request #200 from CocoaPods/cleanup-github-checks

[Linter] Cleanup the github sources checks
Delete Set::Statistics and use metrics from the API instead
Added use_frameworks! flag to DSL.

Closes #204
Fixed Changelog.
[Documentation] Fix example hashbang alignment
[Specification] Raise an Informative error if there is a case mis-match in #subspec_by_name

Closes https://github.com/CocoaPods/Core/issues/185
[Specification::JSON] Add #to_pretty_json method