Directory to host report files. This must be a character of length one that specifies
a non-existent path, as this methods attempts to create it.
dir.configuration
Subdirectory to host configuration files shared by the reports. This must be a
character of length one that gives location as a path relative to dir.reports.
Also, strong restrictions apply to the path name. See the description of the
createReport function for more details. This method creates the directory and
copies configuration files that define cascading style sheet (CSS) definitions and
Javascript functions used by the HTML reports.
Value
TRUE if the report directory was successfully created and the configuration files were copied to the
specified location; FALSE otherwise.