Add context-root to FitNesseContext.
Can remove context root from requests
Expose contextRoot to templates.

Starting with the bootstrap template.
Redirect if context root is set, but trailing slash is missing.
Fix context root in redirects from responders.
Fix redirects in other parts of bootstrap theme.
Image links (and links to files/ content) works.
Fix file rename and deletion with context root.
Fix context roots for all pages.
Fix acceptance tests for new context root code.

redirects are prefixed with the context root by default.
Update file rename and delete dialogs.
Update documentation
Update release notes.
Add comment to plugins.properties.
Whoops. Need to keep the tests working...
Move page name from title to breadcrumb.
Merge pull request #361 from amolenaar/context-root

Add CommandLine argument to set the root context of the wiki

Conflicts:
	src/fitnesse/resources/bootstrap/templates/breadcrumb.vm