Integrate Cane into the Travis build.
Move authorization check into its own method.
Fix style violations.
Split Lita::RSpec::Handler.included into multiple methods.
Split Lita::RSpec.included into multiple methods.
Reduce complexity of Lita::Config.default_config.
Extract some logic from Lita::Adapters::Shell#run.
Split Lita::Handler.dispatch into private methods.
Rename RackAppBuilder to RackApp and reduce method complexity.