cbr/vbr quickfix

Signed-off-by: jhowes <howes.julian@gmail.com>
Merge branch 'master' of https://github.com/juho0006/sipdroid-pro
Merge branch 'master' of https://github.com/juho0006/sipdroid-pro
update to opus 1.0.3 and minor refactoring

Signed-off-by: jhowes <howes.julian@gmail.com>