Update BoardComponent.cs

Added functions GetRing and GetAllRings
Merge remote-tracking branch 'origin/lionel' into Oliver
Update Game1.cs

Added coloring of hex radius on left click
readme change
Rework of Units and Placeables using Separation

Before both a mountain and player would have a unit component; now,
placeablecomponent is the parent of both the terriancomp and the unit
comp. The hex code was altered slightly to accomidate this.
added some unit functions, added pseudocode
Added the "Add Unit" Commands

This allows for the fast removal and placement of units.
"
Added Fog of War
Changed resolution to fit widescreen (temporary)
Got rid of duplicate Ring code
.
tile code euthanasia
commit

derp
Merge remote-tracking branch 'origin/master' into Oliver
Commits to make sure hex has unit