Added docs and project management tool update

doc/bu/files/applyactordamping.txt

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+#title ApplyActorDamping [RCBasic Doc]
+#header sub ApplyActorDamping( actor,   timeStep)
+
+Reduces the velocity of an actor over time, simulating the effect of friction or air resistance.
+
+This function applies the linear and angular damping values set with the SetActorDamping() function.
+
+#code
+init_damping = False
+SetActorDamping(actor, 0.1, 0.5)
+ApplyActorCentralImpulse(actor, 300, 0, 0)
+
+While True
+	If Not init_damping Then
+		ApplyActorDamping(actor, 5.0) 'Will apply the damping effect for 5 seconds
+		init_damping = True
+	End If
+	Update()
+Wend
+#/code
+
+#ref setActorDamping getActorLinearDamping getActorAngularDamping