LEDs now operating on button push

Fixed several bugs:
- TCB wasn't running. The datasheet steps were not complete.
- TCA was waking the MCU and causing the main program to run. Added checks
  to ensure program only runs on button or TCB wakeup.
- Fixed some peculiarities with specific RGBLED programs

fw/HackSpaceCon_AS7/HSC_Wand/wand_program.cpp

@@ -120,6 +120,12 @@ void setup() {
 
 // mcu program loop
 void loop() {
+	while (!rgb_run_next) {
+		// __asm("sleep");
+	}
+	
+	rgb_run_next = 0;
+		
 	switch (run_rgbprog) {
 		case RGB_INIT: {						// just started running a program
 			digitalWrite(PIN_LED_PWRENA, HIGH);	// enable LED power supply,