Revert "Add option for LDAP binding to sAMAccountName"

This reverts commit ed79c95d92c3cbb8d5ddb8120eb5088b09d5941a.
Lookup new user info against LDAP server, if possible

Fix whitespace indentation
Lookup new user info against LDAP server, if possible
Fix whitespace indentation
Fix spelling error in LDAP_SERVER variable
Merge branch 'master' of https://github.com/igitur/kimai
Add wkhtmltopdf as an option for PDF invoices. Alternative to tcpdf.
Merge branch 'wkhtmltopdf' of https://github.com/igitur/kimai into wkhtmltopdf