Fix the test server to be smarter about when to handle a command or not.
Fix the test server to be smarter about when to
handle a command or not.

This is to fix this problem:

Adding a new command called "slowread" will not work
if added after "slow", because the handler for "slow"
handles all the commands that STARTS with slow, instead
of slow[/?$]
Review URL: http://codereview.chromium.org/17009

git-svn-id: dd90618784b6a4b323ea0c23a071cb1c9e6f2ac7@7515 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser