Added g_lost_input, to verify BSN input monitor timeout and verify that output...

Added g_lost_input, to verify BSN input monitor timeout and verify that output continues with replacement data and channel lost data flag.

Closes L2SDP-608

requested review from @schuur

assigned to @kooistra

added 3 commits

• 85cb6418...4d54653d - 2 commits from branch master
• e031b69b - Merge branch 'master' into L2SDP-608

Compare with previous version

mentioned in commit 6ae57b2a

merged