Merge pull request #718 from HouzuoGuo/broken-backward-compat

Increase release version from 2.1.1 to 2.2.0.

platformio_orig.ini

@@ -47,7 +47,7 @@ description = Paxcounter is a device for metering passenger flows in realtime. I
 
 [common]
 ; for release_version use max. 10 chars total, use any decimal format like "a.b.c"
-release_version = 2.1.1
+release_version = 2.2.0
 ; DEBUG LEVEL: For production run set to 0, otherwise device will leak RAM while running!
 ; 0=None, 1=Error, 2=Warn, 3=Info, 4=Debug, 5=Verbose
 debug_level = 3
@@ -135,4 +135,4 @@ upload_protocol = esptool
 [env:dev]
 upload_protocol = esptool
 build_type = debug
-platform = https://github.com/platformio/platform-espressif32.git#develop
+platform = https://github.com/platformio/platform-espressif32.git#develop