Fixes for the --watch flag for faas-cli up and Dockerfile template used with localrun

Changelog for 0.16.10:

• PR #969 Fixes for the --watch flag for faas-cli up by @alexellis

Commits
d240045 Note on why localrun can't support --watch yet by @alexellis
c1b41ac Fix for localrun when Dockerfile defines fprocess by @alexellis
febb152 Ignore swx files by @alexellis
aa01d79 Make md5 hashes for digest more stable by @alexellis
8d5e23c Fixes for the --watch flag for faas-cli up by @alexellis
839ca64 Fix --tag digest for generate command by @alexellis

Changes: 0.16.9...0.16.10

Generated by Derek