expose "dest" attribute so plugins can use it
add mime types via CLI
Merge pull request #74 from whitehat101/render-options-in-before

Respect Template Options in Before Blocks
Merge pull request #70 from georgiee/master

Additional mime type via CLI in development mode. (SVG not displayed, mimetype in webrick missing)
Merge pull request #57 from jerodsanto/expose-dest-for-plugins

expose "dest" attribute so plugins can use it
auto-load Gemfile (if present)