Added raw PHP file support (no pre-processing performed)

Signed-off-by: jketreno <james.p.ketrenos@intel.com>
Add execution of <script> tags from injected HTML

Signed-off-by: jketreno <james.p.ketrenos@intel.com>
Merge pull request #40 from jketreno/master

Add support for raw html/script pages to be incorporated into the site.
Fix syntax error in generate.css.php

Newest php versions seems to be more picky on closing
correctly tags as well as using <?php when appropriate.
Merge pull request #42 from darktears/fix-generate-syntax

Fix syntax error in generate.css.php