Updates for core components

Changelog for 0.8.3:

• PR #74 Update OpenFaaS core components for faasd by @Hsiny
• PR #70 Add instructions for bootstrapping faasd on digitalocean by @mehyedes

Commits
d64edeb Update OpenFaaS core components for faasd by @Hsiny
42b9cc6 Update suffix approach for dev guide by @alexellis
25c553a Reorganise docs/ folder by @mehyedes
8bc39f7 Update README.md by @mehyedes
cbff6fa Include instructions for bootstrapping faasd on digitalocean by @mehyedes
3e29408 Update README.md by @alexellis
04f1807 Bump instructions to latest patch release by @alexellis

Generated by Derek