'clear' now reads 'clear all'
added underline to 'clear all'
removed unnecessary class name juggling
fine-tuned dropdown header background color
WIP: slightly improved filter control styles
added border to controls
fine-tuned controls styles
fixed code formatting
added spinners

TODO: toggle them inactive in a less hacky way
adding Rakefile & index.html

attempting to set up S3 bucket
removed Rakefile
improved loading indicator disappearance