Deleting password property if empty#212

jmaicaaan wants to merge 2 commits intoISBX:feature/angular-1.6.4-upgradeISBX/isbx-loopback-cms:feature/angular-1.6.4-upgradefrom

jmaicaaan:NORA-1333/Regression-502-error-after-editing-password-of-user-and-savingjmaicaaan/isbx-loopback-cms:NORA-1333/Regression-502-error-after-editing-password-of-user-and-savingCopy head branch name to clipboard