move ipfs commands
copy to old location
move core commands
copy commands
move daemon temporarily
add a copy of daemon to be edited when creating new commands
core/commands: Added root command (with test subcommands)
server/http: Added HTTP API handler
commands: Made Response#Error return an *Error instead of an error
server/http: Don't cast res.Error() to an Error (fixes panix on response errors)
core/commands: Added more advanced test subcommand
commands: Removed unused output stream field from Response
server/http: Fixed error when using long encoding option name
commands: Made Response implement io.Reader
server/http: Use Response as Reader instead of manually getting output data
commands: Simplified Error string output
server/http: Set Content-Type header based on command output
commands: Added Request#Options so consumers can iterate through provided options
cmd/ipfs: Rewrote entry point to invoke commands via new command API
cmd/ipfs: Deleted existing CLI commands (to be refactored for the commands API)