-> actually used for postplot analysis (correlation/regression)

annotation string added in measurementplot module for show Textinfo left to subplot window for phase and magnitude

- fifth subplot plot changed to show temperature and humidity of meas instrument
climate chamber

modification of data point generation:
- measurement instrument temperature and measurment instrument humidity added

modify module for measurement plot for external sensors
add module for post
modifiy prototype for external sensors and error handling of communcation errors of VNA
add regresson to post plot with basich control elements

This reverts commit c6944c41.

The program continues normally with the summary plot after closing the measurement to cancel the measurement.