HTTP basic authentication, more conf.json options, minor edits

[beaver71]

From commits descriptions:

• new conf.json

• winston logger

• bug fixing

• basic authentication …

• users management and db

• notification & http forwarding both HTTP and HTTPS using proxy

• resolved issue #7

• uri starting with "/" in urilist (discovery)

• group edit issue resolved

[beaver71]

MOBIUS-basic_auth-ENG.docx

[beaver71]

Described also "basic authentication" proposal for CoaP and MQTT. MOBIUS-basic_auth-ENG_v0.2.docx

[beaver71]

Added "basic authentication" proposal for WebSocket too.. MOBIUS-basic_auth-ENG_v0.3.docx