ignore .lock-waf_darwin_build
version bump; point config url to http://nightscout.github.io/cgm-pebble/s1-config-4.2.0.html
pebble only likes major.minor versions :(
Merge branch 'release/4.3'
Merge pull request #6 from nightscout/master

4.3
Update cgm.c
Merge branch 'Check_CGM-15' of https://github.com/jimsiff/cgm-pebble into Check_CGM-15