Remove SETTINGS_COMPRESS_DATA and associated trickery
CONTINUATION no longer has padding available
Add SETTINGS extensibility (ignore unknown SETTINGS)
Ignore unknown frame types
Treat unkown error codes as INTERNAL_ERROR
SETTINGS identifiers are now 16-bits long
Padding is only controlled by one byte now (max padding 256 bytes)
accept-encoding in static table now has an associated value
Update huffman table
Update NPN/ALPN token
No logging of unknown SETTINGS types
Update version numbers
Fix one missed draft12 reference
Merge pull request #24 from todesschaf/wip/draft13

Wip/draft13