[FIX] Merged several tasks into one (conf loop)
[FIX] SASS: inconsistent font-family for textarea

- Also, style tweaks in RegForm dialog textarea
[FIX] RegForm: Size doesn't apply to number fields
[FIX] RegForm: Resize of textarea fields disabled
[FIX] RegForm: Number fields can't be negative
[IMP] RegForm: Initialization of new field dialogs

- number-based options appear filled with default
- Also, some code cleanup
[IMP] RegForm: Documentation updated
[FIX] RegForm: SASS files loading after rebase