Merge TestCookies[Allow|Disallow]Equals now that it is no longer necessary to use a system property to change this.

Move allowNameOnly cookies to a CookieProcessor property as this needs to be set to allow the new equals test to work.

Fix an edge case and allow a cookie with a value that starts with = to be treated as a name only cookie if = is not allowed in values but name only cookies are permitted.

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1627746 13f79535-47bb-0310-9956-ffa450edef68