Merge branch 'release/v1.0.1'

Author: ivankravets

builder/frameworks/mbed

@@ -13,7 +13,7 @@
     "type": "git",
     "url": "https://github.com/platformio/platform-teensy.git"
   },
-  "version": "1.0.0",
+  "version": "1.0.1",
   "packageRepositories": [
     "https://dl.bintray.com/platformio/dl-packages/manifest.json",
     "https://sourceforge.net/projects/platformio-storage/files/packages/manifest.json/download",
@@ -48,7 +48,7 @@
     "framework-mbed": {
       "type": "framework",
       "optional": true,
-      "version": "~2.123.0"
+      "version": "~3.124.0"
     },
     "tool-teensy": {
       "type": "uploader",