E1.33 controller

[peternewman]

I realised you might not have got the @mention in my personal repo ( peternewman#43 ) so I'll stick it here too.

This PR would want to go in after #1612 as it's done on top of that.

Please don't actually start reviewing this @kripton , but if you fancy taking a look at it in due course, I was going to break it down a bit to reduce the overall changes of this and https://github.com/OpenLightingProject/ola/pull/1612/files .

Most of the commits add a new PDU each (across three files), do you think there's an optimal number of files/size of commit to split it into for review?

I'll need to cherry-pick to get them into master without just queuing them up behind the existing LLRP stuff, but they should work fine standalone functionally...

Still todo:

• Ensure we catch vectors with the wrong value in tests - E1.33 cherry pick #1939 (comment)
• Fix any todos (particularly test related)
• Remove duplication of ACN header between libs/acn/TCPTransport.cpp and libs/acn/PreamblePacker.cpp
• Remove all the redundant pre-standardised E1.33 stuff (e.g. DeviceManager)?
• Consider enum type cleanup - E1.33 cherry pick third time lucky #1947 (comment)
• Check for and fix any null pointer exceptions - E1.33 cherry pick part 4 #1950 (comment)
• Consider inlining basic functions - E1.33 cherry pick v #1957 (comment)
• Rename E133Enums.h to E133Constants.h - E1.33 cherry pick v #1957 (comment)