ROL-2039 rename roller_templatecode to custom_template_rendition.

git-svn-id: https://svn.apache.org/repos/asf/roller/trunk@1611680 13f79535-47bb-0310-9956-ffa450edef68
For some reason as part of upgrade to YUI3, need to add in width percentages for some fields on the entry add/edit pages.

git-svn-id: https://svn.apache.org/repos/asf/roller/trunk@1611705 13f79535-47bb-0310-9956-ffa450edef68