Updated FAQ (markdown)
added text about runtime stack consumption
typos
de-duplicate getting started
Updated Frequently Asked Questions (markdown)
updated information about PRs
layout changes and changes to "What should be my first steps to get started?"
changed "I want to contribute. How should I proceed?"
extended "I want to contribute. How should I proceed?"
extended "What should be my first steps to get started?"
typo fixed
extended "How is RIOT development organised?" by a (very) short introduction.
Created FAQ (markdown)