bump up the version to 2.70, and add (non-working) button for OSX template

Extras/AllBulletDemosOSX/src/BTDemo.h

@@ -97,6 +97,9 @@ subject to the following restrictions:
 + (void) setDebugDraw: (BOOL) debugDraw;
 + (BOOL) debugDraw;
 
++ (void) setSplitImpulse: (BOOL) splitImpulse;
++ (BOOL) splitImpulse;
+
 + (void) setDrawContacts: (BOOL) drawContacts;
 + (BOOL) drawContacts;
 

Extras/AllBulletDemosOSX/src/BTDemo.mm

@@ -41,6 +41,7 @@ static int     NumIterations = 10;
 static BOOL	   DisableDeactivation = NO;
 static BOOL	   DrawAABBs = NO;
 static BOOL	   DebugDraw = NO;
+static BOOL	   SplitImpulse = NO;
 static BOOL	   DrawContacts = NO;
 
 ///////////////////////////////////////////////////////////////////////
@@ -376,6 +377,16 @@ static BOOL	   DrawContacts = NO;
 	return DebugDraw;
 }
 
++ (void) setSplitImpulse: (BOOL) splitImpulse
+{
+	SplitImpulse = splitImpulse;
+}
+
++ (BOOL) splitImpulse
+{
+	return SplitImpulse;
+}
+
 + (void) setDrawContacts: (BOOL) drawContacts
 {
 	DrawContacts = drawContacts;

Extras/AllBulletDemosOSX/src/BTSimulationParameters.h

@@ -38,6 +38,9 @@ subject to the following restrictions:
 - (void) setDebugDraw: (BOOL) debugDraw;
 - (BOOL) debugDraw;
 
+- (void) setSplitImpulse: (BOOL) splitImpulse;
+- (BOOL) splitImpulse;
+
 - (void) setDrawContacts: (BOOL) drawContacts;
 - (BOOL) drawContacts;
 

Extras/AllBulletDemosOSX/src/BTSimulationParameters.m

@@ -72,6 +72,17 @@ subject to the following restrictions:
 	return [BTDemo debugDraw];
 }
 
+- (void) setSplitImpulse: (BOOL) splitImpulse
+{
+	[BTDemo setSplitImpulse: splitImpulse];
+}
+
+- (BOOL) splitImpulse
+{
+	return [BTDemo splitImpulse];
+}
+
+
 - (void) setDrawContacts: (BOOL) drawContacts
 {
 	[BTDemo setDrawContacts: drawContacts];