TI fields (first section) done
Merge branch 'feature/fields_refactor' of github.com:globaleaks/GLBackend into feature/fields_refactor

Conflicts:
	docs/ng-field.json
	globaleaks/db/sqlite.sql
reapplied original group stack exception email
scratch the structure of Field(s) handlers
Merge branch 'feature/fields_refactor' of github.com:globaleaks/GLBackend into feature/fields_refactor
Merge remote-tracking branch 'maker/feature/fields_refactor' into feature/fields_refactor
Fix sqlite.sql wrt to vecna's changes.
DO print informations about the errors happening on database.