Clean up spec_helper

* move all require calls to separate files
* Coveralls is still in spec_helper, but should be moved if it can still loaded first
* add *.swo line to .gitignore
Add a configuration file
Enable RConfig

Closes #25
Create Seedbank
Modify Bot to receive configurations from Seedbank
Move thread initialization away from #start

Closes #18
Enable Seedbank-based configuration for Botpen
Return server addresses from Network instances

Closes #27