Added .DS_Store to .gitignore
pipeline.compile_tests should default to true in the test environment
Allow engines to prepend to additional_import_paths
Use newlines to make concatenated js files more readable when not minified
Support managing vendored javascripts as bower components
Better EOF matcher; add new lines to prevent end-of-file comment problems
Add comments to js config files to prevent meaningless IIFE blocks in output
Add semicolon and new line between vendor js files
vendor.js should be referenced with an absolute path
Use Iridium's handlebars.js for precompiling
Allow images to pass through the development rack server
Added compile step to dev server startup command to get around a Compass path loading issue