Update module "imports" to new style

Fixes #1351

cloud/amazon/_ec2_ami_search.py

@@ -195,7 +195,7 @@ def main():
 
 
 # this is magic, see lib/ansible/module_common.py
-#<<INCLUDE_ANSIBLE_MODULE_COMMON>>
+from ansible.module_utils.basic import *
 
 if __name__ == '__main__':
     main()

cloud/vmware/vsphere_guest.py

@@ -1321,6 +1321,6 @@ def main():
 
 
 # this is magic, see lib/ansible/module_common.py
-#<<INCLUDE_ANSIBLE_MODULE_COMMON>>
+from ansible.module_utils.basic import *
 if __name__ == '__main__':
     main()

files/replace.py

@@ -160,6 +160,7 @@ def main():
     module.exit_json(changed=changed, msg=msg)
 
 # this is magic, see lib/ansible/module_common.py
-#<<INCLUDE_ANSIBLE_MODULE_COMMON>>
+from ansible.module_utils.basic import *
 
-main()
+if __name__ == '__main__':
+    main()