Checks if the current user has rights to an administrative application.
The only parameter is one of the following administrative applications:
UserAdmin
WebLayout
RepoMan
Workflow
ConfigMan
Archiver
Returns TRUE if the user has rights to the specified application.
Returns FALSE if the user does not have rights to the specified application.
Returns a StatusCode of -1
if the value is unspecified or unknown.
Evaluates whether the current user has rights to the specified application.
<$hasAppRights('RepoMan')$>