construct standard error in a way jruby likes
fixes #252 add new keys when merging site config
fixes #255 pass compass configuration to Sass Tilt template
Merge pull request #257 from codylerum/jruby_exception_building

Error throwing exception in JRuby
Merge pull request #256 from mojavelinux/sass-config-fix

fixes #255 pass compass configuration to Sass Tilt template
Merge pull request #254 from mojavelinux/config-merge-fix

fixes #252 add new keys when merging site config
Fixes #253
fix directory redirect code to be compliant, add test
Merge pull request #259 from mojavelinux/rack-redirect-fix

fix directory redirect code to be compliant, add test
use redirect header that actually works
Merge pull request #260 from mojavelinux/redirect-handler-fix

use redirect header that actually works