Merge pull request #269 from mp-se/dev

0.4.1

Merge branch 'dev'

2.4 dev1

Added mdns attributes

2.3.0 async update

Merge pull request #255 from mp-se/dev

v2.3

Merge pull request #254 from mp-se/dev

merge beta 5

Merge pull request #251 from mp-se/dev

Merge beta 4

Release v2.3.0-build2 - GravityMon firmware build

Merge pull request #248 from mp-se/dev

Merge latest beta 3 changes