Update the NodeInfo sample function to use latest
watchdog version (0.7.7) to support both GET and POST method.
Signed-off-by: Vivek Singh <vivekkmr45@yahoo.in>
Note, not all `alexellis/github` references should be changed, there are
a number of repos which are not part of the openfaas org, this commit
excludes those.
Signed-off-by: John McCabe <john@johnmccabe.net>