Initial editorial work.
move settings persistence example up
Make SETTINGS persistence its own subsection
Move general SETTINGS advice up to the top of its section.
Make Defined Settings its own section
more editorial work
Promote Header Blocks out of Frame Types
more editorial work
fix mis-capitalised HEADERS
Go back to "clients and servers" becaue it's not a recipient until it's handling messages...
Merge pull request #64 from mnot/edits

Editorial changes from @mnot.
Minor editorial comments from Brian Raymor.
Clarifying the use of SETTINGS_MAX_CONCURRENT_STREAMS.  Related to, but not a solution for #38.
Clarifying the effect of SETTINGS_MAX_CONCURRENT_STREAMS on server push.
s/ //
editorial fixes
make the dance octet sentence a figure
"…allows one request can be delivered…"

s/can/to/
Initial commit
First import of spec.