htaccess rewrite + tab to single page engine

#307 -built php engine to pull content from single tabs and display on
single own page.  Once content completed will be able to add links

General update Rewrote htaccess so that all php files automatically have
suffix removed.  No need to remember to change each.  Added 404 error
rule.  Added SEO rewrite rule rule for php engine  ->  accessed via
/page/[param] and not ?param=blah  syntax.

created 404 page, should have been done ages ago