Remove the test that validates asciicast factory
Don't require rspec/autorun in spec_helper

This is not really needed and conflicts with zeus
Use zeus for faster tests boot time
Upgrade rspec to 2.14 (have_received FTW!!!11)
Make the snapshots the hashes
Serialize Snapshot with Snapshot::Serializer
Add a simple model representing a terminal snapshot
Add Brush model
Refactor AsciicastDecorator#thumbnail to render colorful thumbnail
Fix Snapshot#crop to not burn when height > line count
Use shortcut for #to_html stub on SnapshotPresenter
Add spec for AsciicastSnapshotter
Introduce BaseUploader with common store_dir for all uploaders
Add Bzip2Uploader for uploading, retrieving and decompressing bzip2 files
Rename stdout to stdout_data, stdin to stdin_data
Abstract stdout_data and stdout_timing as a single value object
Process incoming asciicast with AsciicastCreator
Serialize asciicast snapshot just as JSON
Update SnapshotWorker to generate colorful snapshots
Fix feature spec for visiting asciicast page