added gulp-if, rimraf, streamify, uglify, uncss, jshint-stylish, run-sequence and yargs
add uncss task
add production argument
change default task to build
let the build file require critical

instead of running gulp critical, you should run gulp --production --critical
add php includes folder

for easy header/footer related changes
remove jquery require call
use breakpoint sass plugin for media queries
added .editorconfig
added .jshintrc
update browserify task

to be compatible with the latest browserify module (v5.10.1)
reindent
update packages to the latest version(s)
added some basic htdoc files
added handlebars example
add missing http string
removal of some whitespace