attempt to use filtered byte stream
Merge branch 'develop' into feature/filteredByteStream
now using readium-sdk feature/ByteRangeStreams branch
now compiles and runs fine with readium-sdk feature branch for filtered byte streams (seekable doesn't work yet though, only full buffer)
minor mod for testing
Merge branch 'develop' into feature/filteredByteStream
submodule
sbumodules
submodule
byte range correct processing of incremental buffers
minor logging
Merge branch 'develop' into feature/filteredByteStream

Conflicts:
	readium-sdk
submodule
obfuscated fonts now work in both byte range mode (even though the actual filter does not support it => fallback to whole content stream), and non-byte-range mode. also added missing HTTP mime type headers
ubmodule
submodule
submodules
latest SDK API
Merge branch 'develop' into feature/filteredByteStream

Conflicts:
	readium-sdk
fixed compile error introduced by iOS refactoring (missing .h header file)