added support for easier customizations via "config/customization" directory
minor improvements to the download button (proper localization, better image, better hooks for customization)
ensure that we only copy files when running restarting the app, not every time a rake task is run (especially since some rake tasks get run as root!)
fix problem with custom scss files and precompiling assets in production mode.
Merge pull request #113 from elijh/feature/customize

Feature/customize