Merge pull request #962 from LucidCrux/lc_working

Various fixes
Issue #964
Countdown is actual mnp
Version 3.4005
Merge pull request #967 from waveney/wav28

V3.4005
Improves Nav Pane for Chrome #946

Only partial fix at present
Added some comments and tidied up
Readme (yes I know these are the wrong way round)
Mysterious maps bug
Merge pull request #974 from waveney/wav28

Minor fixes
fix discov sorting
Merge remote-tracking branch 'upstream/master' into lc_working
issue #973

fixes #973