fixed wrong merge (removed files readded)
finished aligning unittest with latest fields refactor
removed admin user from test fixtures for now

let's readd it when test fixtures will handle test data completely; in fact currently some data is loaded following the normal globaleaks db creation path
minor fixes
added FieldsCollection UTs
fixed bug for default fiels intitialization; was is_template=True;
Fix bug in field API definition.
Implement updating of fields from inside of the context view.
Fix bugs in backend. Make it throw an error if it doesn't find the template with the given ID and accept not specifying certain keys.
Implement GUI for adding fields from template.

Currently broken because of bugs in backend.
Implement adding fields to templates and steps.
Fix nesting issue
:rage1: :rage2: :rage3:
fixed bug in field template creation
fixed the order of arguments in new_field_from_template
Fix updating of template fields and loop of errors
Merge branch 'feature/fields_refactor' of github.com:globaleaks/GlobaLeaks into feature/fields_refactor

* 'feature/fields_refactor' of github.com:globaleaks/GlobaLeaks:
  fixed the order of arguments in new_field_from_template
  fixed bug in field template creation
Add note on possible optimizations