[Wiki] Improve formatting
[Wiki] Improve formatting

Fixed some minor mistakes.

Change-Id: Id5df26e47238090f0203a3ab003b9ded7c1faa32

bmwcarit/joynr,bmwcarit/joynr,bmwcarit/joynr,bmwcarit/joynr,bmwcarit/joynr,bmwcarit/joynr,bmwcarit/joynr,bmwcarit/joynr,bmwcarit/joynr