v0.13

Uppdatering av krav samt lade till kontextdiagram.
Merge remote-tracking branch 'origin/SRS' into SRS

Conflicts:
	documentation/SRS/SRS.pdf
Merge remote-tracking branch 'origin/SRS' into SRS

Conflicts:
	documentation/SRS/SRS.pdf
Revert "Merge remote-tracking branch 'origin/SRS' into SRS"

This reverts commit 182f1e4b64d15b9b701ebc7e8a6400b968592389.
Merge remote-tracking branch 'origin/SRS' into SRS

Conflicts:
	documentation/SRS/SRS.pdf