Use compass for scss compiling

Author: Roelof Reitsma

Diff for: .gitignore

@@ -4,3 +4,4 @@ models/*.js
 views/**/*.js
 lib/*.js
 phonegap_app.js
+.sass-cache

Diff for: config.rb

@@ -0,0 +1,24 @@
+# Require any additional compass plugins here.
+
+# Set this to the root of your project when deployed:
+http_path = "/"
+css_dir = "css"
+sass_dir = "sass"
+images_dir = "img"
+javascripts_dir = "vendor"
+
+# You can select your preferred output style here (can be overridden via the command line):
+# output_style = :expanded or :nested or :compact or :compressed
+
+# To enable relative paths to assets via compass helper functions. Uncomment:
+# relative_assets = true
+
+# To disable debugging comments that display the original location of your selectors. Uncomment:
+# line_comments = false
+
+
+# If you prefer the indented syntax, you might want to regenerate this
+# project again passing --syntax sass, or you can uncomment this:
+# preferred_syntax = :sass
+# and then run:
+# sass-convert -R --from scss --to sass sass scss && rm -rf sass && mv scss sass