Merge pull request #62 from aroraumang/feature/task-misc

Change subject of Order Confirmation Email
Added webhandler to add comment in sale #5847

* Added Test
Merge pull request #61 from goyal1092/feature/task-5847

Added webhandler to add comment in sale #5847
Filter sales according to state of sale #5772
Merge pull request #60 from goyal1092/feature/task-5772

Filter sales according to state of sale #5772
Make sure order confirmation email is sent only once