included analog and digital fail test sensors
Merge remote-tracking branch 'upstream/master'

Conflicts:
	server/sensor.c
	server/sensor.h
Merge pull request #33 from jtanx/master

Some bugfixes for sensor/data code + add FCGI_INT_T
Modified sanity check
Merge pull request #31 from Callum-/master

included analog and digital fail test sensors
Code cleanup and partial modification to control code
Merge branch 'master' of https://github.com/szmoore/MCTX3420.git