Indent spec and add new describe block
Add note for Commands:

    * [32mlist               [0m   Lists the specifications know to CocoaPods.
    * [32mpodfile            [0m   Converts a Podfile to YAML.
    * [32mrepl               [0m   The repl listens to commands on standard input.
    * [32mspec               [0m   Converts a podspec to JSON.
    * [32mupdate-search-index[0m   Updates the search index.

Options:

    --silent     Show nothing
    --version    Show the version of CocoaPods
    --no-color   Show output without color
    --verbose    Show more debugging information
    --help       Show help banner of specified command command
Cleanup README