Masterview devel - Oct 2006 - Commited xmldecl and doctype fix - added custom patched REXML classes

I have committed the xmldecl (version and encoding) and doctype fix so that
MasterView will output those if they are supplied in the template.

In fixing the doctype issue, I discovered that the sax2 parser in REXML was
not triggering the doctype event. Checking the code confirmed this as well
as the missing test case.

I pulled the latest REXML code version 3.1.5, created a couple test cases
and a fix for the doctype issue. I submitted them to the REXML trac site
with the patch for all of the above.

Since REXML is normally shipped with Ruby, it is likely that our users will
have a broken version for quite some time.

So using the patched code I created our own custom sax2 parser called
Sax2ParserWithDoctypeFix and baseparser BaseParserWithDoctypeFix so that
MasterView can use the patched code immediately. Once REXML applies the
patch I sent them and we can determine a release number for it, then we can
conditionally use these classes or the core REXML classes (if  user has the
lastest version). For right now I always use the patched classes until we
can determine a version to check.

These two patched classes live in
masterview/lib/rexml/parsers

Since we have created our own classes we will not interfere with anyone
using the core classes.

The REXML bug fix ticket is 92
http://www.germane-software.com/projects/rexml/ticket/92

Jeff
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