Added docs and project management tool update

doc/bu/files/actorissolid.txt

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+#title ActorIsSolid [RCBasic Doc]
+#header function ActorIsSolid(actor)
+
+Returns true or false depending on if physics and collision response applies to an actor.
+
+Note: Collision is still able to be checked on an actor but the actor will be like a ghost able to go through wall and other objects.
+
+#code
+SetActorSolid(actor, true)
+Print "Actor solid state: "; ActorIsSolid(actor) 'This will output 1
+SetActorSolid(actor, false)
+Print "Actor solid state: "; ActorIsSolid(actor) 'This will output 0
+#/end
+
+#ref SetActorSolid