Revert the use of Ada 2012 and force the use of Ada 2005 because it does not compile with gcc 4.6/gnat-4.6 which is still the default Ada compiler for Ubuntu 14.04
Revert the use of Ada 2012 and force the use of Ada 2005 because it does not compile with gcc 4.6/gnat-4.6 which is still the default Ada compiler for Ubuntu 14.04

stcarrez/mat,stcarrez/mat,stcarrez/mat