home-directory and login-shell dont need password fields

git-svn-id: http://svn.egroupware.org/egroupware/trunk@48490 923e3c2e-ae13-0410-ba18-ced7211e33de
fixed storing same password twice in admin makes account unusable:
caused by tabs and callbacks added multiple times and therefor passwords beforeSendToClient method was called twice causing password to be replaced with asterisks

git-svn-id: http://svn.egroupware.org/egroupware/trunk@48492 923e3c2e-ae13-0410-ba18-ced7211e33de
run editaccount and editaccountcontact hook only when updating accounts, not for creating them

git-svn-id: http://svn.egroupware.org/egroupware/trunk@48494 923e3c2e-ae13-0410-ba18-ced7211e33de