Added flag --pod-versions to list command
Added tests for list --pod-versions
Added test for :name_and_version mode of UI.pod
update -> install
Update bundle and add temp build fix to `rake bootstrap`.
[bundle] Update to xcodeproj 0.15.3
Merge branch 'master' of github.com:CocoaPods/CocoaPods
determine the highest known specification by using Pod::Version#<=>
Update changelog to add Master section

Mainly for sanity reasons during the bug bash
Merge pull request #1955 from Kapin/master

Update changelog to add Master section
[CHANGELOG] Fixes an issue number turning into a title
added change log entry for the bug fix i did
Merge branch 'master' of https://github.com/CocoaPods/CocoaPods into changelog_for_1721
Fix :head option for Pods from HTTP source.
Merge pull request #1957 from joelparsons/changelog_for_1721

Changelog for 1721
Cleanup pod directory when download fails (probably due to a network error)

Fixes #1482
Merge pull request #1951 from neonichu/master

Use "gem install" instead of "gem update" in notice, as it is recommended
Merge branch 'master' of https://github.com/lrz/CocoaPods into lrz-master
Merge branch 'master' of github.com:CocoaPods/CocoaPods into command-list-added-pod-versions
Always include version in list without flag.

As requested in original PR (#1617).

Also remove some extraneous whitespace that crept in.