Merge pull request #71 from andrew-elder/master

lib: remove comments from XXXX_imp.h that repeat abstract class header c...
Preventing recursive destructor call causing segfault (mac/linux).
Make destroy safer - ensure local_system is updated when it is destroyed.
Merge pull request #72 from pthedinger/master

Preventing recursive destructor call causing segfault (mac/linux).
Fix out-of-order packet arrival bug.
Merge pull request #73 from pthedinger/master

Fix out-of-order packet arrival bug.
controller: lib: MSVC: net_interface_imp: fix compiler warning
jdksavdecc-c: update fields supported by GET_AVB_INFO. Track 'master'