* Fix various compilation issues.
Mostly errors on field initialization order but also missing files
in CMakeLists and missing include directives.
* Fix compilations issues with GCC 6.2
* Fix gitignore libs/ entry to not ignore the Android external libraries.
* Added -Wno-unused-parameter and removed all uses of the CC_UNUSED_PARAM macro
* Commented unused parameter names in .cpp files which previously used CC_UNUSED_PARAM
* Reverted -Wno-unused-param flag.
Moved deprecated touch methods definitions to .cpp file.
Commented more unused parameter names.
* Fixed some errors and warnings caused by the previous commit.
* Commented remaining unused parameter names in .cpp files.
* Fixed unused parameter warnings in headers.
* Fixed some more unused parameter warnings.
* Fixed some more unused parameters warnings.
* Fixed mistake in previous commit, missing ComAudioReader:: in method. Other warnings.
* Fixed build errors.
* Added missing file to CMakeLists
j-jorge