[releases/1.2] examples: Update start.bat to use virtualenv (#416) (#419)

examples: Update start.bat to use virtualenv

Author: bkeryan

examples/game_of_life/start.bat

@@ -3,4 +3,4 @@ REM The discovery service uses this script to start the measurement service.
 REM You can customize this script for your Python setup. The -v option logs
 REM messages with level INFO and above.
 
-call python "%~dp0measurement.py" -v
+.venv\Scripts\python.exe measurement.py -v

examples/nivisa_dmm_measurement/start.bat

@@ -3,6 +3,4 @@ REM The discovery service uses this script to start the measurement service.
 REM You can customize this script for your Python setup. The -v option logs
 REM messages with level INFO and above.
 
-REM If you don't have NI Instrument Simulator v2.0 hardware, you can simulate 
-REM it in software by adding the --use-simulation option to this command.
 .venv\Scripts\python.exe measurement.py -v

examples/output_voltage_measurement/start.bat

@@ -3,4 +3,4 @@ REM The discovery service uses this script to start the measurement service.
 REM You can customize this script for your Python setup. The -v option logs
 REM messages with level INFO and above.
 
-call python "%~dp0measurement.py" -v
+.venv\Scripts\python.exe measurement.py -v