Added support for /messages/send-template.json API
Merge pull request #3 from Jimbo1167/feature/add-html-support

Add ability to send html emails.
Merge pull request #5 from Jimbo1167/feature/add-attachments-to-email

Add attachment support.
Merge pull request #2 from gaganc/master

Added support for /messages/send-template.json API
upgrade to V0.2 with pull requests
                     Delete unneeded files
Return JSON parse of API call.  Use SendResponse to parse mandrill send calls.
Initiate variables to empty arrays.
Fix styling.
Add rejectReason to sendResponse.