Output current package name if package name can't be validated (apach…

…e#567)

We have this of the package name. It only outputs that the current one
is bad, not what the current one actually is. Added an output of the
current one to the error.

bin/lib/create.js

@@ -194,7 +194,7 @@ function validatePackageName (package_name) {
     var msg = 'Error validating package name. ';
 
     if (!/^[a-zA-Z][a-zA-Z0-9_]+(\.[a-zA-Z][a-zA-Z0-9_]*)+$/.test(package_name)) {
-        return Q.reject(new CordovaError(msg + 'Package name must look like: com.company.Name'));
+        return Q.reject(new CordovaError(msg + 'Must look like: `com.company.Name`. Currently is: `' + package_name + '`'));
     }
 
     // Class is a reserved word