Added Sphero SPRK+ example file.

Improved messenger handshaked and command queue.
Removed deprecated references.

Author: MarkusBordihn

build/cwc/frameworks.js

@@ -33,7 +33,6 @@ closureBuilder.build({
   deps: glob([
     'src/frameworks/internal/messenger/*.js',
     'src/protocol/robots/lego/ev3/*.js',
-    'src/utils/stack_queue.js',
     'third_party/coding-with-chrome-libraries/src/utils/stack/stack.js',
   ]),
   out: 'genfiles/core/frameworks/internal/ev3_framework.js',
@@ -52,7 +51,6 @@ closureBuilder.build({
   deps: glob([
     'src/frameworks/internal/messenger/*.js',
     'src/protocol/robots/lego/wedo2/*.js',
-    'src/utils/stack_queue.js',
     'third_party/coding-with-chrome-libraries/src/utils/stack/stack.js',
   ]),
   out: 'genfiles/core/frameworks/internal/wedo2_framework.js',
@@ -107,7 +105,6 @@ closureBuilder.build({
   ]),
   deps: glob([
     'src/frameworks/internal/messenger/*.js',
-    'src/utils/stack_queue.js',
     'third_party/coding-with-chrome-libraries/src/utils/stack/stack.js',
   ]),
   out: 'genfiles/core/frameworks/internal/mbot_framework.js',
@@ -125,7 +122,6 @@ closureBuilder.build({
   ]),
   deps: glob([
     'src/frameworks/internal/messenger/*.js',
-    'src/utils/stack_queue.js',
     'third_party/coding-with-chrome-libraries/src/utils/stack/stack.js',
   ]),
   out: 'genfiles/core/frameworks/internal/mbot_ranger_framework.js',
@@ -160,7 +156,6 @@ closureBuilder.build({
   ]),
   deps: glob([
     'src/frameworks/internal/messenger/*.js',
-    'src/utils/stack_queue.js',
     'third_party/coding-with-chrome-libraries/src/utils/stack/stack.js',
   ]),
   externs: [
@@ -181,7 +176,6 @@ closureBuilder.build({
   ]),
   deps: glob([
     'src/frameworks/internal/messenger/*.js',
-    'src/utils/stack_queue.js',
     'third_party/coding-with-chrome-libraries/src/utils/stack/stack.js',
   ]),
   out: 'genfiles/core/frameworks/internal/raspberry_pi_framework.js',
@@ -202,7 +196,6 @@ closureBuilder.build({
     'src/frameworks/internal/messenger/*.js',
     'src/utils/dialog/*',
     'src/utils/logger.js',
-    'src/utils/stack_queue.js',
     'third_party/coding-with-chrome-libraries/src/utils/stack/stack.js',
   ]),
   out: 'genfiles/core/frameworks/internal/simple_framework.js',
@@ -220,7 +213,6 @@ closureBuilder.build({
   ]),
   deps: glob([
     'src/frameworks/internal/messenger/*.js',
-    'src/utils/stack_queue.js',
     'third_party/coding-with-chrome-libraries/src/utils/stack/stack.js',
   ]),
   out: 'genfiles/core/frameworks/internal/sphero_framework.js',