Builder tool - Various, pre-constant propagation

+ Prepared flags for constant propagation
+ UI instructions removal in compiler
+ Various changes to test "demo"

test/build.srd

@@ -1,4 +1,4 @@
-(cfg "Default"
+(cfg "Optimized"
 	(resolutions
 		(1280 720)
 		(1920 1080)
@@ -7,3 +7,11 @@
 		(constant-folding on)
 	)
 )
+
+(cfg "Basic"
+	(resolutions
+		(1280 720)
+		(1920 1080)
+	)
+	(optimizer off)
+)

test/curves.srd

@@ -1,7 +1,7 @@
 (duration 0.133333 450)
 
 (camera-nearplane
-	(segment linear
+	(segment smooth
 		(values 1.1547 1.1547 4.82843)
 		(durations 225 225)
 	)
@@ -9,7 +9,7 @@
 
 (camera-pos-x
 	(segment linear
-		(values -300 -150 0)
+		(values -4000 -2000 0)
 		(durations 225 225)
 	)
 )
@@ -51,7 +51,7 @@
 
 (camera-lookat-x
 	(segment linear
-		(values -300 -150 0)
+		(values -4000 -2000 0)
 		(durations 225 225)
 	)
 )