updated pxt references + hero banner

libs/base/_locales/base-strings.json

@@ -29,6 +29,7 @@
   "control.waitForEvent|block": "wait for event|from %src|with value %value",
   "control.waitMicros|block": "wait (µs)%micros",
   "control|block": "control",
+  "fieldeditors|block": "fieldeditors",
   "loops.forever|block": "forever",
   "loops.pause|block": "pause %pause=timePicker|ms",
   "loops|block": "loops",

libs/base/pxt.json

@@ -17,7 +17,8 @@
         "control.cpp",
         "control.ts",
         "serial.cpp",
-        "serial.ts"
+        "serial.ts",
+        "fieldeditors.ts"
     ],
     "testFiles": [
         "test.ts"