Conflicts:
	changelog.html

Absolutizing on the server side is easier and more compact.

http://jenkins.local/job/JOBNAME/configure will become
10%-faster in Chrome 14 and 20%-faster in IE 9.

$(e).next() may return undefined.
If 2nd argument of insertBefore is undefined,
IE9 complains "SCRIPT87: Invalid argument".
To insert newChild at the end, 2nd argument should be null.
http://www.w3.org/TR/2000/REC-DOM-Level-2-Core-20001113/core.html#ID-952280727

See http://www.prototypejs.org/api/ajax/options
  This can be provided either as a URL-encoded string or as any
  Hash-compatible object (basically anything), with properties representing
  parameters.

Prototype 1.5.1.1 encodes parameters, but 1.7.0 does not.
If Jenkins uses 1.7.0, he warns us of container's encoding
regardless of container's configuration.

define new extension point to define ProjectNamingStrategy and add two implementations: Default and Pattern