Add package.py

with other minor fixes

build.py

@@ -152,10 +152,6 @@ def build_cocoa(dev):
     resources = [image_path, 'cocoa/dsa_pub.pem', 'build/dg_cocoa.py', 'build/help']
     app.copy_resources(*resources, use_symlinks=dev)
     app.copy_frameworks('build/Python')
-    print("Creating the run.py file")
-    tmpl = open('cocoa/run_template.py', 'rt').read()
-    run_contents = tmpl.replace('{{app_path}}', app.dest)
-    open('run.py', 'wt').write(run_contents)
 
 def build_help():
     print("Generating Help")