Changes

Bump openal-soft: CMake: Don't use CMAKE_TOOLCHAIN_FILE for non-crosscompilation, use OPENAL_CUSTOM_CONFIG to inject cmake commands

ALFactory.PREFER_SYSTEM_OPENAL: Defaults to false for all platforms (i.e. Use openal-soft on OSX as well now)

Remove explicit xcode.clang property files; Bump openal-soft (95a2fe69853d6996cf9e00a9073c57cf9cef9ae9)

Adapt to GlueGen commit c3054a01990e55ab35756ea23ab7d7c05f24dd37 (compount call-by-value extension)

Adapt to GlueGen commit 2f6586292cd298bbc19d8acda0f7cf303c82078b (compount call-by-value extension)

- initializeImpl() is no more required, since it's not forced .. uncomment in manual static initializer

Code Clean-Up based on our Recommended Settings (jogamp-scripting c47bc86ae2ee268a1f38c5580d11f93d7f8d6e74)

- Change non static accesses to static members using declaring type
    - Change indirect accesses to static members to direct accesses (accesses through subtypes)
    - Add final modifier to private fields
    - Add final modifier to method parameters
    - Add final modifier to local variables
    - Remove unnecessary casts
    - Remove unnecessary '$NON-NLS$' tags
    - Remove trailing white spaces on all lines