Add StartLevelChange and StopLevelChange commands for SwitchMultilevel.
Merge pull request #141 from jabdelmalek/master

Add StartLevelChange and StopLevelChange commands for SwitchMultilevel.
Added Gitter badge
Merge pull request #170 from gitter-badger/gitter-badge

Add a Gitter chat badge to README.md
http://razberry.z-wave.me/z-way-server/
Transferring blueprint from apiary.io