Created a pdf documentation, based on the CASTOR documentation template. Used Latex as in CASTOR.

Imported the castordoc.cls from CASTOR. Fixed left/right page footer mix-up.
Imported package UseLATEX.cmake to allow its compilation.
Started development of a SCSI::Device (incomplete).
Updated location of the Doxygen configuration file.
Added compilation of documentation and Doxygen by default in rpm build.