Dumbed down implementation to reflect cordova docs

See
http://docs.phonegap.com/en/3.4.0/guide_platforms_ios_plugin.md.html#iOS
%20Plugins
and
http://docs.phonegap.com/en/3.4.0/guide_platforms_android_plugin.md.html
#Android%20Plugins
Merge branch 'master' of https://github.com/BobSaintClare/cordova-plugin-echo

Conflicts:
	README.md