Translation in Brazilian Portuguese, Introduction up to Installation
`Hello, Trema!` up to `Overview of the Switch Monitoring Tool`
Finished part1
Translation in Brazilian Portuguese. Introduction up to `Counter` class
Rename pt => pt-br
`Substituting to OpenFlow...` up to `TrafficMonitor Class`
Finished part2
Fixed broken image links
Added part1 image files
Merge pull request #1 from lucioseki/master

Translation to Brazilian Portuguese