Fixed some missing app-dir and a typo

Author: gokr

build.sh

@@ -1,7 +1,7 @@
 #!/bin/bash
 
 OUT=$PWD/generated
-LIST=$OUT/example-list.json
+LIST=$OUT/examples-list.json
 
 rm -rf $OUT
 mkdir $OUT

examples/arduino-bluefruit-led-onoff/evothings.json

@@ -7,6 +7,7 @@
 	  {"label": "arduino", "type": "platform"},
     {"label": "ble", "type": "comm"}],
   "libraries": [{"name": "jquery", "version": "2.1.1"}],
+  "app-dir": "app",
   "index-file": "app/index.html",
   "uuid": "fe860e6e-d35e-4bd0-831a-7703cc2f8b18",
   "icon": "app-icon.png",

examples/arduino-scriptable-tcp/evothings.json

@@ -8,6 +8,7 @@
     {"label": "wifi", "type": "comm"}],
   "libraries": [{"name": "jquery", "version": "2.1.1"}],
   "index-file": "app/index.html",
+  "app-dir": "app",
   "uuid": "fe860e6e-d35e-4bd0-831a-7703cc2f8b06",
   "icon": "app-icon.png",
   "doc-url": "https://evothings.com/2.1/doc/examples/arduino-scriptable-tcp.html"