Added tests for POST and DELETE of Transaction->metadata->images
Made the deleteComment function nicer
Added tests for getting transactions and getting one transaction
Added tests vor GET and POST of Transactions->metadata->where
Added tests for PUT and DELETE of Transaction->metadata->where
Implemented API call for GET Other Account of transaction and the tests for it
Merge branch 'api' into develop
Merge branch 'develop' of github.com:OpenBankProject/OpenBankProject-Server into develop

Conflicts:
	MavLift/src/main/scala/code/api/v1_2/OBPAPI1.2.scala