[ENH] RegForm Angular: field delete confirmation
[ENH] RegForm Angular: section delete confirmation
[IMP] RegForm: Accomodation offset dates config
[FIX] RegForm Angular: rendering bugs in Firefox
[FIX] RegForm: Social events table config

* Missing cancel/uncancel event icon
[IMP] RegForm: Validation in edit mode
[MIN] RegForm: style tweaks
[REF] RegForm: Moved form tag inside angular

* Also, added validationStarted flag
[FIX] RegForm: new fields set to mandatory
[MIN] Angular: cleanup validation flag on close
[FIX] RegForm: Radio field default value
[ENH] RegForm: added validation in display mode
[IMP] RegForm: validation for email field
[FIX] RegForm: radio field renders with wrong id
[FIX] RegForm: validation for second session
[MIN] RegForm: None option for Social Events
[FIX] RegForm: 'Modify my registration' TPL
[ENH] RegForm: Implemented auto-fill

* File and date fields are still missing
[ENH] RegForm: Added validation error dialog
[REF] RegForm: Code cleanup

* Removed legacy javascript from TPLs
* Refactorized field API call
* Moved regform-wise dialogs to dialogs/ root folder