Refactored guides code a bit. Added a box marker for guides. Ensure no more than 1 v/h guide is shown at a time. Only show guides for the available axis of freedom.
Refactored guides code a bit. Added a box marker for guides. Ensure no more than 1 v/h guide is shown at a time. Only show guides for the available axis of freedom.

teem2/dreem2,teem2/dreem2,teem2/dreem2,teem2/dreem2