- Checked in some basic UI stuff - warning, tag library doesn't work yet
- Added "isValid()" to Context
- Added code to ConfigurationManager for installing configuration files
for external tools, and added initial Apache and Tomcat configurations
git-svn-id: http://scm.dspace.org/svn/repo/trunk@149 9c30dcfa-912a-0410-8fc2-9e0234be79fd
