Merge pull request #12 from tryagainconcepts/upstream-master

fix fitbit api request exception handling
add a health check endpoint
add commit message on _health endpoint
update slack travis integration
update slack travis integration

BAC-3 #time 20m
Merge pull request #15 from blurrcat/health

add a health check endpoint
fix bug in fitbit sync
Merge commit 'e595cdc94ecb33535baa60521eddfae4ac891a44' into pullrequests/more-api-endpoints

Conflicts:
	tac/apiserver.py
log fitbit api request