refs #292: remove SVN keywords from utils, no svnid here
refs #292: remove SVN keywords from xslt
refs #292: remove svnid from xslt
refs #292: remove $Id$ from xslt
refs #292: remove svnid from manual
refs #292: remove $Id$ from manual
refs #292: remove SVN keywords from manual
another $Id$ in manual
refs #292: remove SVN keywords and svnid from all NXDL files
refs #292: deprecate use of svnid attribute in NXDL files as of this commit
refs #292: remove svnid from legacy sphinx directory
fixes #292