Remove cache from global header.
Merge pull request #581 from sharetribe/remove-cache

Remove cache from global header.
Create Entity Proc, which returns a Hash when run
Fix PaypalAccount view to use hash syntax, not dot
Merge pull request #584 from sharetribe/hash-entities2

Hash entities: Return a lambda which creates a new Hash
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