sdkgen: logging: coloured output and indication of completion

Change-Id: Iba754e9c277bdcabab992f31905af964836059c4
Signed-off-by: Arnav Gupta <championswimmer@aokp.co>
Merge commit '322a547d46e38e04d468a52f086a1469a55da343' into aokp-kitkat