More separation between the XML reading and data collection classes, and the

More separation between the XML reading and data collection classes, and the
code generation classes. The rlcodegen.h include was removed from the files
which will go into the redfsm.a library.

git-svn-id: http://svn.complang.org/ragel/trunk@50 052ea7fc-9027-0410-9066-f65837a77df0