Merge pull request #135 from molnarg/priority-frame-flags

Clarifying that the PRIORITY frame does not define any type-specific flags
Reverse the polarity of the CONTINUES flag.
Merge pull request #136 from jpinner/flag_polarity

Reverse the polarity of the CONTINUES flag.  Apply consistent names to flags.  Closes #129.
Move definition of END_STREAM flag to DATA and HEADERS frames.
Frame size edits as discussed at the interim
Merge pull request #138 from jasnell/frame-size2

Frame size edits as discussed at the interim
Merge pull request #137 from jpinner/move_end_stream_flag

Move definition of END_STREAM flag to DATA and HEADERS frames.
Add PRIORITY flag to HEADERS frame. Remove HEADERS+PRIORITY.
fix list style attribute
Merging changes.
Added ascii art for the WINDOW_UPDATE frame.
Client settings during Upgrade-based negotiation

#51:Client advertising settings during Upgrade dance
https://github.com/http2/http2-spec/issues/51
address some comments on this pull

IANA section. Short blurb on why this header exists, and clarifying that
an empty header is fine.
update README
make links more obvious
move information about the draft format down
remove redundant para
Add section reference to SETTINGS_INITIAL_WINDOW_SIZE.
Indicated the SETTINGS that must be communicated
Merge pull request #148 from jpinner/flow_control

Add section reference to SETTINGS_INITIAL_WINDOW_SIZE.