cordova-lib 0.20.13 update to pg build module

tests passing, some functionality disabled
[issue] updated cordova reference to consume required version
[#418] phonegap run refactored to use cordova.platform function rather than deprecated supports
[#418] removed dead code and debug statements form run
[#418] updated phonegap run spec spies and expectations to handle removal of cordova supports function
[#418] install updated to use cordova platform instead of deprecated supports function
[#418] removed ref to spy as uneeded
[#418] updated cordova platform spy
[#418] update build spec to spy on cordova platform
[#418] reenabled build using try/catch with cordova platform
3.6.0-9.21.18