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* Remove recv/port processing code

* Kill the running servers
* Disable automatic startup
* Manual start after FW upgrade
* Restoration of automatic startup once is validated

* Unify 4-bit expansion and non 4-bit copy thread management

* Move Receiver::Thread to Model::Recv::Thread
* Remove FrameMap::Item::Group/Follower/FrameQueue
* Block Receiver::Port threads while Model::Recv::Thread work
* Support arbitrary number of threads, distribute with ThreadBalance
* Remove ExpandInThreads

* Remove aux. expand buffer
* Closes #6

* Add test_expand_4 program; update test infrastructure

* Add intermediate expand buffer before inter-chip gap insertion

* slsReceiver: pad Fifo header so image data is 128-bit aligned
* Remove PixelDepth4Corr

* Implements & closes #8

* pixel_depth_cpu_affinity_map property/attr are now Python strings
* Remove netdev_groups property/attr

* Ensure Lima core Git tree integrity

Merge branch '92-memutils-softbufferallocmgr-fix-issues-when-allocating-more-hw-buffers' into 'master'

Using NumaSoftBufferCtrlObj

See merge request !7