Add ability to run scripts after screen timeout/wake
diff --git a/gui/blanktimer.cpp b/gui/blanktimer.cpp
index 0b1f008..a513ff0 100644
--- a/gui/blanktimer.cpp
+++ b/gui/blanktimer.cpp
@@ -98,6 +98,7 @@
 			setConBlank(2);
 			setBrightness(0);
 			screenoff = true;
+			TWFunc::check_and_run_script("/sbin/postscreenblank.sh", "blank");
 			PageManager::ChangeOverlay("lock");
 		}
 #ifndef TW_NO_SCREEN_BLANK
@@ -149,6 +150,7 @@
 				break;
 			}
 #endif
+			TWFunc::check_and_run_script("/sbin/postscreenunblank.sh", "unblank");
 			// No break here, we want to keep going
 		case 2:
 			gui_forceRender();