fix bug some imported files can not be watched
clear the compiler libraries form source
update components installation desciption
Small cleanup
Merge branch 'master' of https://github.com/oklai/koala
set css default output style to yuicompress
add Spanish language
move extension docs to wiki
Merge remote-tracking branch 'upstream/master'

Conflicts:
	.gitignore
	src/app/node_modules/.bin/cake.cmd
	src/app/node_modules/.bin/coffee.cmd
	src/app/node_modules/.bin/jade.cmd
	src/app/node_modules/.bin/lessc.cmd