Capitalise Mac OS X app package name.

This is the OS X convention.

package/build_pyinstaller.py

@@ -41,7 +41,7 @@ spec_coll_name = "server"
 if platform.system() == "Darwin":
     # On MacOS the Electron app contents are dumped into the project root
     # directory and the entire folder is contained in a
-    # 'ardublockly.app/Contents' folder.
+    # 'Ardublockly.app/Contents' folder.
     exec_folder = ""
 else:
     # In Windows and Linux the Electron files are located in this folder

package/electron/resources/osx/Info EH.plist

-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
-<plist version="1.0">
-<dict>
-    <key>CFBundleDisplayName</key>
-    <string>{{productName}} Helper EH</string>
-    <key>CFBundleExecutable</key>
-    <string>{{productName}} Helper EH</string>
-    <key>CFBundleIdentifier</key>
-    <string>{{identifier}}.helper.EH</string>
-    <key>CFBundleName</key>
-    <string>{{productName}} Helper EH</string>
-    <key>CFBundlePackageType</key>
-    <string>APPL</string>
-    <key>DTSDKName</key>
-    <string>macosx</string>
-    <key>LSUIElement</key>
-    <true/>
-    <key>NSSupportsAutomaticGraphicsSwitching</key>
-    <true/>
-</dict>
-</plist>

package/pack_ardublockly.py

@@ -62,10 +62,10 @@ def set_tag(tag):
     global copy_dir_name
     global copied_project_dir
     copy_dir_name = "ardublockly_%s" % tag
-    # On OSX everything goes inside a folder structure ardublockly.app/Contents/
+    # On OSX everything goes inside a folder structure Ardublockly.app/Contents/
     if platform.system() == "Darwin":
         copy_dir_name = os.path.join(
-            copy_dir_name, 'ardublockly.app', 'Contents')
+            copy_dir_name, 'Ardublockly.app', 'Contents')
         print(script_tab + 'Packing for Mac OS X, final folder structure: %s' %
               copy_dir_name)
     copied_project_dir = os.path.join(os.path.dirname(project_root_dir),
@@ -220,8 +220,8 @@ def zip_ardublockly_copy(name_append):
         os.makedirs(zip_file_dir)
 
     app_folder = copied_project_dir
-    # In OS X the copied_project_dir is ardublockly_tag/Contents/ and we need
-    # to zip the .app folder
+    # In OS X copied_project_dir is ardublockly_tag/Ardublockly.app/Contents/
+    # and we need to zip the .app folder
     if platform.system() == "Darwin":
         app_folder = os.path.dirname(os.path.dirname(app_folder))