Bump version to 0.1.2

Author: ivankravets

platform.json

@@ -16,7 +16,7 @@
     "type": "git",
     "url": "https://github.com/platformio/platform-espressif.git"
   },
-  "version": "0.1.1",
+  "version": "0.1.2",
   "packageRepositories": [
     "https://dl.bintray.com/platformio/dl-packages/manifest.json",
     "https://sourceforge.net/projects/platformio-storage/files/packages/manifest.json/download",