Updates makefile - new Gae version
Updates requirements.txt

ipdb is not a requirement for the environment.
Merge branch 'master' of github.com:AEHO/traintool
adds suggested field to api.

Makes possible to mark an exercise as suggested and also to retrieve all the suggested exercises through the exercises/suggested endpoint.
Merge pull request #75 from AEHO/feat/suggested-exercises

adds exercises/suggested
Merge branch 'feat/exercise-typeahead'
Fix typeahead by suggestions

Fiz th eproblem to retrieve the equipment field of exercise suggestions.