Add explicit protocol note for MQTT topics

[jason-fox]

Related FIWARE/tutorials.NGSI-v2#8

[jason-fox]

I've also included an explicit requirements.txt for ReadTheDocs because the build no longer succeeds without an explicit Jinja version. If this succeeds I can make the same change on the IoT Agent for JSON.

[fgalan]

Should this PR be propagated to the rest of IOTA-related repositories?

[jason-fox]

Probably, but you'll need to merge to see if readthedocs works.

[fgalan]

I've also included an explicit requirements.txt for ReadTheDocs because the build no longer succeeds without an explicit Jinja version. If this succeeds I can make the same change on the IoT Agent for JSON.

I have just have a look to RTD for this project and seems to be building correctly...

[jason-fox]

I guess that is because you are using an outdated python to build.

[AlvaroVega]

LGTM

[AlvaroVega]

I guess the same should be added to others iotagents.

[jason-fox]

Probably just the IoT Agent for JSON which has the same MQTT binding (unless there are others?)

[fgalan]

Probably, but you'll need to merge to see if readthedocs works.

After merging the PR, it seems RTD build is working:

[AlvaroVega]

I guess the same should be added to others iotagents.

It was a typo, sorry.