ByteString based on the one in wire
Merge pull request #412 from adriancole/bytestring

ByteString based on the one in wire
Switch list iteration to index-based as it is more efficient on android.
Merge pull request #411 from adriancole/efficient-iteration

Switch list iteration to index-based as it is more efficient on android.
Refactor SPDY code to use ByteString for headers.
Merge pull request #413 from adriancole/spdy-bytestring

Refactor SPDY code to use ByteString for headers.
Platform.getMtu is unused.

This was a failed experiment.
Merge pull request #414 from square/jwilson_0106_mtu_is_dead

Platform.getMtu is unused.
fix spdy connection timeout issue
Merge pull request #417 from lingmingyb/spdyTimeout

fix spdy connection timeout issue
Remove duplication of protocols in MWS' NPN declaration.
Merge pull request #418 from square/jw/update-npn

Remove duplication of protocols in MWS' NPN declaration.