ocl: workaround for subbuffer memory leaks
Android Manager Version++.
Cleaned up adaptive bilateral filtering, added support for gaussian interpolation, updated sample and docs
Merge pull request #1757 from asmorkalov:android_manager_version_inc2
Merge pull request #1758 from apavlenko:adaptive_bilateral_filter
Merge pull request #1756 from alalek:ocl_workaround_memory_leaks_with_subbuffer