Optional automation of Form processes: call prepare(), add CSRF field, load from request, set form to view
Merge pull request #129 from dlu-gs/feature/forms

Optional automation of Form processes: call prepare(), add CSRF field, l...
Fixed case when panel defined in layout is empty.
Merge branch 'fix/undefinedLayout' into develop
Merge branch 'develop' into feature/backend
WIP - Explorer
Explorer - selecting entities and sites.