Remove plugin_loader. prepare now calls plugman --prepare
Make cordova plugin add rely on plugman
Use the new style of plugman commands

The commands have been split into --fetch, --install, --uninstall,
and --remove.
Fix cordova plugin add with trailing slash
No <platform> tags for JS-only plugins.
Install all installed plugins into a newly added platform
Move www/ and merges/ into app/.

The structure is now:
app/
  merges/
    android/
    ios/
  www/
  config.xml

All code, tests and docs are updated and everything is still working. This
is a breaking change for old projects, but it's fairly easy to perform the
move manually:
$ mkdir app
$ mv www/config.xml app
$ mv www app
$ mv merges app
Fix 'plugin add' tests
[src] Remove unused platform parsers from compile command.
[CB-3057] Change iOS platform to default to ARC.
[#3050] Add cordova.platform.support(name, callback).
[npm] Version 2.6.1

The upgrade to Cordova 2.6.0 did not increment the npm version.
Merge branch '[npm] Version 2.6.1'

Sneaking the 2.6.1 npm release in before the latest changes to expose
a publish module interface to check supported platforms.
[npm] Version 2.6.2
CB-3183 handle missing plugins directory
Chaning plugman.js to main.js as run target
Version 2.7.0-rc.1
[CB-3227] Fix missing build script in iOS project.
[npm] Version 2.7.1-rc.1
[CB-3228] Fix 'cordova build blackberry' to use cordova.js