Merging Perl changes into detokenization branch. Removes usage of tokens from all Perl and Perl Template Toolkit files, instead using pure Java .property files to manage settings. Basic path for eliminating .cfg files from Perl, and skin.config files from Java side. Backported changes from 1.8.1RC1 release.
Fixed footer logos to use correct skin pathing (/nceas/images/).
Modified all header and footer calls to be skin specific: in the NCEAS skin, skip rendering the header and footer IFRAME elements, otherwise continue as normal.