Extend WebEnq4_Form->isCancelled() to check in subforms too
edit.css: set minimum height always (not only in highlighted mode) to
make text-only elements not grow/shrink; tone down borders around
elements
Merge branch 'master' of github.com:Nivocer/webenq

* 'master' of github.com:Nivocer/webenq:
  get submitbutton used before isValid and store it as form-variable
Added some checks whether array elements exist before accessing them
WIP: restructure to/fromArray(); start save() + tests for QuestionnaireNode and dependant classes
Minor code formatting changes