Removing the mail gem from the wrapper

- It is already loaded by people finder engine
Merge pull request #1 from ministryofjustice/removing-mail-gem

Removing the mail gem from the wrapper
Use peoplefinder 0.1.0
Use Ruby 2.1.4
Update Rails to 4.1.7
Use peoplefinder 0.1.1
initial docker config
working state
Merge branch 'docker' of github.com:ministryofjustice/moj_peoplefinder into docker