Update code for return result in human text

git-svn-id: https://plugins.svn.wordpress.org/fedex-ups-usps-parcel-tracking-system/trunk@859426 b8457f37-d9ea-0310-8a92-e5e31aec5664
Add short code in tinymce

git-svn-id: https://plugins.svn.wordpress.org/fedex-ups-usps-parcel-tracking-system/trunk@860082 b8457f37-d9ea-0310-8a92-e5e31aec5664