[Platform] Add the ability to start GRPC server

- Updated net library to take pointers and not array of bytes
- Updated dfssp/authority to give public access in PID
- Updated main for better var management

See merge request !17

- Updated net library to take pointers and not array of bytes
- Updated dfssp/authority to give public access in PID
- Updated main for better var management

264 net tests

- Support for non-auth client improved
- Removed fatal in favor of error returns
- Add tests and examples

See merge request !16

[Platform] Add protobuf definitions

Skeleton for the platform's services and messages according gRPC.
See the conception report (mpcs/notes) for double check on the naming conventions.

See merge request !15

Fix ci

- Installed Golang 1.6beta2 on main runners
- Updated docker image
- Updated gometalinter with `interfacer` > fixed mail library warning
- Added update instruction in build to avoid surprises

I'll close it by myself for speed, leaving it here for memory.

See merge request !14

[net] Add the ability to handle non-auth users

- TLS security is not degraded
- Unable to create unit tests

See merge request !13

- TLS security is not degraded
- Unable to create unit tests

177 platform db connection



See merge request !12

[Fix] Flags must be set before command



See merge request !11

US-176: Renaming generated files to dfSs

dffs or dfss... that is the question.

See merge request !10

Iss176

Implementing the initialization of the dfss platform:
- creation of the private rsa key
- creation of the root certificate
- saving/retrieving the above files on/from disk

See merge request !9

113 grpc lib

Implement gRPC primitives

See merge request !8

* Tweak comments
* go-vet cleaning
* Update CI deps config
* Fix unused lib
* Metalinter fixs

Fix addr & port in dialing

[CI] Enables artifacts

Adds the ability to download coverage data from successful builds.

![Capture_d_écran_de_2016-01-04_18-08-50](/uploads/ad1463d01a225add1243c664ed3b5008/Capture_d_écran_de_2016-01-04_18-08-50.png)

See merge request !7

174 kernels

This is a very simple approach to CLI applications.
No dependency required; but there is some duplicated code. Not a problem.

To test it, just follow updated README tutorial.

See merge request !6

This adds `help` and `version` commands to the dfss client
TG-241 #ready

115 mails lib



See merge request !5