Merge pull request #56 from goyal1092/feature/task-5731

Added phone_number in address #5731
Add Phone number to address but negate duplicate numbers #5820
Stop autofill of address on checkout/shipping and billing address #5774
Merge pull request #57 from goyal1092/feature/task-5820

Add Phone number to address but negate duplicate numbers #5820
Merge pull request #58 from goyal1092/feature/task-5774

Stop autofill of address on checkout/shipping and billing address #5774
Placed phone number at bottom in xml view #5774
Merge pull request #59 from goyal1092/feature/task-5774

Placed phone number at bottom in xml view #5774
Change subject of Order Confirmation Email
Merge pull request #62 from aroraumang/feature/task-misc

Change subject of Order Confirmation Email
Add phone number while creating or editing address #5731