compassify flexbox()
compassify flex()
compassify order()
compassify inline-flex()
compassify flex-direction()
compassify flex-wrap
compassify flex-flow()
compassify flex-grow()
compassify flex-shrink()
compassify flex-basis()
compassify justify-content()
compassify align-items()
compassify align-self()
compassify align-content()
cleanup conditionals in flex-direction() & flex-wrap()
update readme
Merge branch 'compass' of https://github.com/trinonsense/sass-flex-mixin into trinonsense-compass

Conflicts:
	flex.scss