D-Net

added mobile menu

Fix typo in email regex

Escape chars in regular expession for username

Change regular expression at createZombieUser- Allow username that begins with period, underscore, hyphen

removed save button from interface form in register

Add check for username - Allow only numbers, letters, periods, underscores and hyphens

Escape chars in regular expession for username

Change regular expression - Allow username that begins with period, underscore, hyphen

Add PreAuthorize annotation on user methods.

changed registration mechanism - added metrics usage statistics report page