Fixed flex display for IE10 to -ms-flexbox
Switched to using 'flex' version in flex method for IE10
Switched to using 'flex' version in flex-flow and flex-direction method for IE10
Fixed alignment for IE10
Fixed flex order for IE10
Fixed 'justify-content' to render 'flex-line-pack' for IE10
Corrected 'justify-content' to 'flex-pack' for IE10
Corrected 'align-content' to 'flex-line-pack' for IE10
Fixed align-self for IE 10

IE 10 uses -ms-flex-item-align to align flex-items. From IE 11 the official align-self property is used.
Update flex.styl