Version 0.1.3

Merge pull request runtimejs#21 from runtimejs/new-terminal

New terminal & shell

Fix QEMU 'I/O thread has spun for 1000 iterations' warning

Merge branch 'master' of github.com:runtimejs/runtime

* 'master' of github.com:runtimejs/runtime:
  Update README.md
  Update README.md
  Update README.md
  Update CONTRIBUTING.md

Update README.md