Log Message:
Update to 5.5.25
Fix install permissions to silence checkperms

In brief:
Fix WebDAV Servlet so it works correctly with MS clients. (markt)
Fix XSS security vulnerability (CVE-2007-2450) in the Manager and Host Manager. \ 
Reported by Daiki Fukumori. (markt)
Fix NPE when a ResourceLink in context.xml tries to override an env-entry in \ 
web.xml. (markt)
Fix XSS security vulnerabilities (CVE-2007-2449) in the examples. Reported by \ 
Toshiharu Sugiyama. (markt)
Add some additional mime-type mappings. (markt)
Ensure JARs in webapps are scanned for TLDs when the Tomcat installation path \ 
contains spaces. (markt)
Add link to httpd 2.2 mod_proxy_ajp docs in AJP connector doc. (yoavs)

For all the details see:
	http://tomcat.apache.org/tomcat-5.5-doc/changelog.html