This is a direct port of Douglas Crockford's jsmin to go.
Run method takes a io.Reader and io.Writer and reads all content from the reader,
minifies it, and writes the output to the writer.
Install the library only
go get bitbucket.org/maxhauser/jsmin
Install the command and the library
go get bitbucket.org/maxhauser/jsmin/jsmin
For copyright notes see inside the file jsmin.go