Working version, time passed across socket

This is a working version of the program where the time as a 
double is also sent across the socket.  This reduced the sample
rate to approximately 1.536k samples/sec.

# Please enter the commit message for your changes. Lines starting
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# On branch lclsave
# Changes to be committed:
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#	modified:   logic_analyzer_client.c
#	modified:   logic_analyzer_client.h
#	modified:   menu.h
#
