use browser sync

closes #63
update deps.
replace toggle icons
make default theme "light"; update color chips
clean up
fix bug with text wrapping on color chip
remove text transform on color chip
remove border on menu
remove branding on menu
rename documentation boilerplate
update overview page
fix to menu style
semicolon
Update README.md
update accent color
deprecate gulp-clean
deprecate gulp-rimraf
Update README.md
update gulpfile and package.json to use better npm conventions

closes #76