Merge branch 'hotfix/fix_send_out_port' into develop
fix spelling error
fix grammatical error
reword documentation, fix tags
fix yard documentation errors
fix yard errors add more examples
specify yardoc examples in a single line
Merge pull request #194 from nickkaranatsios/yard_fixes

Yard fixes
add more yard documentation
Merge pull request #195 from nickkaranatsios/more_yard_fixes

add more yard documentation
Fix the type description of Controller#send_message message argument.
Add a handler example to Ruby API section.
Adds Flow-Mod and Packet-out example
send_message example
action example
Update README.md
Update README.md
Fix match option name :inport => :in_port
Merge branch 'develop' of github.com:trema/trema into develop
Add matching rules section to README.md