increase default timeout from five minutes to one hour of install exec

manifests/install.pp

@@ -100,6 +100,7 @@ class matlab::install(      # $namevar matlab release version
     creates   => $install_destination,  # when this folder appears, we assume it got installed
     require   => File["matlab_input.${name_}"],
     alias     => "matlab_install.${name_}",
+    timeout   => 3600,
   }
 
   # create 'licenses' directory