beast cleaning and tidying:
* Consolidate small modules into one
* Remove Android-specific platform support
* Remove zlib support:
  - Remove inline zlib library sources
  - Remove GZIPCompressorOutputStream
  - Remove GZIPDecompressorInputStream
* Remove obsolete or unused classes:
  - BigInteger
  - BufferedInputStream
  - CacheLine
  - CPUMeter
  - DatagramSocket
  - DynamicObject
  - FileLogger
  - FPUFlags
  - Identifier
  - JSON
  - LocalisedStrings
  - MACAddress
  - MemoryAlignment
  - MemoryInputStream
  - MemoryMappedFile
  - NamedValueSet
  - OptionalScopedPointer
  - PerformanceCounter
  - PropertySet
  - ScopedTimeInterval
  - SparseSet
  - SpinDelay
  - StreamingSocket
  - StringPool
  - Uuid
  - Variant

SubregionStream
[FOLD] Remove TypeTraits.h
[FOLD] Remove Chrono.h from beast_core.h
[FOLD] Remove Utility.h header
[FOLD] Remove HTTP.h header
[FOLD] Remove Net.h header