Ignore plugins as well as platforms
Add install_plugins script
Add package.json to install npm modules; update gitignore
Add hook to set iOS target os at platform after platform add

This is run automatically on 'cordova platform add' and modifies
the Xcode project settings
Add hook to automatically set the iOS target orientation after platform add

This is a simple python script that removes the 'portrait' orientation lines
from the project's plist file.

This may be more brittle that working directly with XML
Add hook to automatically set the Android target orientation after platform add

This is a simple python script that changes 'landscape' to 'sensorLandscape'
from the project's manifest file. The 'landscape' setting was already added
there by Cordova's config.xml file.

This may be more brittle that working directly with XML
Update readme with new build process