Reworked common_header to use stylesheet_link_tag for base.css again now that NGINX has been reconfigured. Added caching to CSS and JS.
Reworked common_header to use stylesheet_link_tag for base.css again now that NGINX has been reconfigured. Added caching to CSS and JS.

git-svn-id: 8ae0a6b396effb9e2d04f216330b631e689e8608@610 54c6411d-1744-0410-a9eb-b99409f43359

botandrose/calagator,botandrose/calagator,botandrose/calagator,botandrose/calagator