Replaced 'body' with 'payload' in instances where this would be
confusing.

Added a flag in the HEADERS frame for header continuations.

Added pointers in HEADERS+PRIORITY and PUSH_PROMISE which reference
the flags in the HEADERS frame.

This should resolve #50
Merge pull request #98 from grmocg/master

Header frame continuations
Fixing address.
Noting that new connections are possible for clients (not all endpoints).  Closes #61.
Shortening the magic to 24 bytes.  Closes #101.
Describing consistency rules for the compression context.  Closes #102.
Editorial cleanup for the CONTINUES bit.
Clarifying use of FINAL.  For part of #103.
Adding change log entry for header continuations.
Upversion to post -03.
Fix some editorials
Merge pull request #105 from shigeki/shigeki_20130531

Fix some editorials