update with altimeter, swimfile.txt endleg.txt, etc see changes_13sep.txt also reset_PI()

Dependencies:   mbed MODSERIAL FATFileSystem

Revision:
96:0048e13ca2c3
Parent:
91:916ee0fea9ff
--- a/new_changelog.txt	Fri May 17 14:25:03 2019 +0000
+++ b/new_changelog.txt	Fri May 17 14:28:55 2019 +0000
@@ -101,5 +101,6 @@
           if find Neutral fails, file is written to warn raspberry PI
        -  lots of flashing leds()  to indicate still running.
        -  runs on bare board.  still to be tested with FSG  full system, or even pieces - such as imu().
+17may2019     changes to logic for find_neutral failed exit cases in main.cpp