Update license notice

[windows] Implement AsRawHandle for SerialPort

Reimplement test timeout timer using `mio::Timer`

Set GH_TOKEN

Add link to documentation

Add travis build status badge

Merge pull request #2 from trlim/tokio

Let travis to run `build` instead of `test`

Create tests module

Move bin.rs to examples

Add travis config

Switch to dual license

Remove all docs warning

Add Debug support for SerialPort

Use latest of `tokio` branch