Guide: issues and typos

`tutorials/Setup-BeagleboneBlack.md`

- After "Install ThingsJS using the Getting started steps"

`RIoTBenchmarks.html`

- Proofreading required

`/Community/comittee.html`

- Should contain list of all HQPs
- Rename the page

`/api`

- Proof developer API when completed

`(Mailing list)`

- Create 'dev' mailing list