Merge tag 'v1.2.0' into develop

Bump version to 1.2.0

Author: ivankravets

get-platformio.py

@@ -14,7 +14,7 @@
 
 import logging.config
 
-VERSION = (1, 1, 3)
+VERSION = (1, 2, 0)
 __version__ = ".".join([str(s) for s in VERSION])
 
 __title__ = "platformio-installer"