Removing all HTML from php scripts (session 1 of several).
Using RainTPL2 for templates and caching. RainTPL3 is out, but
is aimed at Composer projects, which this is not.

Also made several refactorings, including the separation of feed.php
completed majority of single article view
finished main pages. admin next
finished converting tools section to raintpl
fixed and templated pagination. Also separated twitter and tpl caches. Next: tpl cache mgmt or plugins
modified readme, removed simple template dir
modified readme
merge from master
fixed mising dropplets icon font. Restructured template directories
dodgy merge from rain-tpl
resolved merge conflict