[CB-4277] Revert deleting of <param name="onload" value="true" /> support

Looks like the syntax isn't documented in plugman's README, but Android
supports this syntax as well.
Updated cordova.js to 3.0.0
[CB-4281] Moving echo to a plugin in MobileSpec
[CB-4281] Remove Echo files from XCode project
[CB-4095] Unify whitelist implementations
[CB-4358] Trim amount of frameworks (18) in default template to minimum needed (4)
[CB-4355] Localstorage plugin handles options incorrectly (the settings key is specified with upper case chars)
[CB-4331] require ios-sim version 1.7 in command line scripts
[CB-4334] modify cordova/emulate and cordova/run scripts help text for ios-sim (available as npm module)
[CB-4405] Increase Xcode minimum version to 4.6 in cordova/* scripts
[CB-4409] Remove build artifact folder on cordova/clean
[CB-4408] Modify cordova/build script to build for device (armv7/armv7s)
[Cb-4336] modify cordova/run and cordova/install-device scripts to use ios-deploy (npm)
[CB-4408] Update cordova/emulate for new emulator build folder
CB-4469 move copy resource script out of project file