Release-1.0.6
#1037, #1040, #1046, and #1049 improve compatibility with Visual Studio 2017
#1041 fixes a warning in NDK clang
#1045 and #1050 improve Android toolchain support
#1043 fixes an alignment issue for custom allocator types in AutoFilter
#1044 adds support for controlling thread scheduling policies
#1038 updates the copyright comments
#1047 updates the version number