Add documentation to motion variables
Add documentation to motion variables

bpbp-boop/foundation-apps,dortort/foundation-apps-grid,chrisdubya/foundation-apps,dragthor/foundation-apps,pioug/foundation-apps,dragthor/foundation-apps,kristianmandrup/foundation-apps,nolimitid/foundation-apps,laurent-le-graverend/foundation-apps,KalisaFalzone/foundation-apps,lunks/foundation-apps,silencekillsdesign/foundation-apps,kristianmandrup/foundation-apps,bpbp-boop/foundation-apps,dragthor/foundation-apps,bitsandco/foundation-apps,fatpixel/mv-foundation-apps,SaiNadh001/foundation-apps,chrisdubya/foundation-apps,dortort/foundation-apps-grid,erikmellum/foundation-apps,GeorgeMe/foundation-apps,silencekillsdesign/foundation-apps,zurb/foundation-apps,pioug/foundation-apps,lunks/foundation-apps,laurent-le-graverend/foundation-apps,erikmellum/foundation-apps,zurb/foundation-apps,kristianmandrup/foundation-apps,fatpixel/mv-foundation-apps,GeorgeMe/foundation-apps,bpbp-boop/foundation-apps,chirilo/foundation-apps,chirilo/foundation-apps,digideskio/foundation-apps,base-apps/angular-base,digideskio/foundation-apps,base-apps/angular-base-apps,SaiNadh001/foundation-apps,chirilo/foundation-apps,erikmellum/foundation-apps,base-apps/angular-base-apps,laurent-le-graverend/foundation-apps,pioug/foundation-apps,dortort/foundation-apps-grid,bitsandco/foundation-apps,KalisaFalzone/foundation-apps,fatpixel/mv-foundation-apps,zurb/foundation-apps,nolimitid/foundation-apps,silencekillsdesign/foundation-apps,KalisaFalzone/foundation-apps,GeorgeMe/foundation-apps,lunks/foundation-apps,chrisdubya/foundation-apps,base-apps/angular-base,bitsandco/foundation-apps,digideskio/foundation-apps,SaiNadh001/foundation-apps,nolimitid/foundation-apps