Jetty bad alias warnings

[Rod Widdowson]

> > Just curious, what are idp.home, jetty.home, and jetty.base ?

> idp.home  =C:\Program Files (x86)\Shibboleth\IdP
> 
> 2015-12-16 23:10:48.643:WARN:oejur.FileResource:qtp1942406066-13: bad alias 
> for C:\Windows\Temp\jetty-localhost-80-idp.war-_idp-any-28203390177985479.dir\webinf\C:\Program Files (x86)\Shibboleth\IdP\messages\
> authn-messages_en_US.properties: java.io.IOException: The filename, directory name, or volume label syntax is incorrect

Hmm (jetty) message lookup, by appending idp.home to the unpacked war file.  I'm not sure how we could achieve this even if we tried.   If someone can slam in a Jira case I'll take a look.

Rod