Added logo.
Merge pull request #1 from qubyte/feature/logo

Added logo.
Corrected link to raw logo.
Some documentation updates.
Replaced note about early timeouts.

Note now contains a link to the Node.js issue.
Update .travis.yml to enable node 0.11.
Merge pull request #2 from qubyte/develop

The provisional icon, and updates to the travis config.