add mortgaging task option
address q to statement
Remove IDA from create transfer

* add /common dir for repeated template pages
* add basic login to /common
remove IDA from 2nd conveyancer
shift addresses and email around
change to acting on behalf of
Make summary content easier to scan

* required a few changes to markup
* grid-wrappers shouldn't be in inner-block elements
Merge pull request #61 from LandRegistry/post-session

Post session