explained WMIB and renamed confusing function
cleaned up
removed tabs
Add tools

tools, pointing to tools.wmflabs.org so old code [[tools:]] can be used.
Merge pull request #34 from YenaHong/patch-1

Add tools
removed some unused folder we don't need
fixed logs

we don't really need this in warning log because every PM produces NULL channel
bumped version
there is no point in delivering a message to disconnected network
inserted readme for tcp_io dir
some fixes