Re-Add color overlay (#311)

* fixed Chaperone toggle, toggle state on launch

* made update rates based on variable frame rate assuming 90 default

* added overlay color back in

* fixed opacity value not synching

* updated to ovr 1.8.19

* fixed license issue

* rolled back ovr update

* fixed overlay toggle state, formatting, and clamped max opacity to .85%

src/tabcontrollers/ChaperoneTabController.h

@@ -7,6 +7,7 @@
 #include <thread>
 #include <openvr.h>
 #include <cmath>
+#include "../utils/FrameRateUtils.h"
 
 class QQuickWindow;
 // application namespace
@@ -170,6 +171,8 @@ private:
 
     int m_updateTicksChaperoneReload = 0;
 
+    unsigned int m_k_chaperoneSettingsUpdateCounter = 101;
+
     vr::VRActionHandle_t m_rightActionHandle;
     vr::VRActionHandle_t m_leftActionHandle;
     vr::VRInputValueHandle_t m_leftInputHandle;