Minor edits

git-svn-id: https://plugins.svn.wordpress.org/instamojo/trunk@883564 b8457f37-d9ea-0310-8a92-e5e31aec5664
Add new options page

git-svn-id: https://plugins.svn.wordpress.org/instamojo/trunk@883565 b8457f37-d9ea-0310-8a92-e5e31aec5664
Add option page

git-svn-id: https://plugins.svn.wordpress.org/instamojo/trunk@883566 b8457f37-d9ea-0310-8a92-e5e31aec5664