move EntityUtils out of MarketplaceService module
Merge pull request #586 from sharetribe/generalize-entity-utils

move EntityUtils out of MarketplaceService module
update ruby version in installation instructions
Create Transactions
Move data from conversation to transaction
Rename conversation_id to transaction_id
Booking and payment belong to transaction
Factory specs passing
Specs passing
Structure
TEMP
TEMP
A lot has changed, a lot work to do
Fix one more test
Renaming etc.
Before moving testimonials
Lots of things
More stuff fixed
Fixed more tests
Fix rubocop