[glass] Switch name of Glass back to glass (#2919)

On Unix systems, most executables are lowercase.

glass/CMakeLists.txt

@@ -51,11 +51,11 @@ install(DIRECTORY src/libnt/native/include/ DESTINATION "${include_dest}/glass")
 
 file(GLOB glass_src src/app/native/cpp/*.cpp)
 
-add_executable(Glass ${glass_src})
-wpilib_link_macos_gui(Glass)
-target_link_libraries(Glass libglassnt libglass)
+add_executable(glass ${glass_src})
+wpilib_link_macos_gui(glass)
+target_link_libraries(glass libglassnt libglass)
 if (WIN32)
-    set_target_properties(Glass PROPERTIES WIN32_EXECUTABLE YES)
+    set_target_properties(glass PROPERTIES WIN32_EXECUTABLE YES)
 endif()
 
 #if (MSVC OR FLAT_INSTALL_WPILIB)

glass/Info.plist

@@ -5,7 +5,7 @@
 	<key>CFBundleName</key>
 	<string>Glass</string>
 	<key>CFBundleExecutable</key>
-	<string>Glass</string>
+	<string>glass</string>
 	<key>CFBundleDisplayName</key>
 	<string>Glass</string>
 	<key>CFBundleIdentifier</key>

glass/build.gradle

@@ -92,7 +92,7 @@ if (!project.hasProperty('onlylinuxathena') && !project.hasProperty('onlylinuxra
             // By default, a development executable will be generated. This is to help the case of
             // testing specific functionality of the library.
             "${nativeName}App"(NativeExecutableSpec) {
-                baseName = 'Glass'
+                baseName = 'glass'
                 sources {
                     cpp {
                         source {