Refactor bukkit_dl and jenkins providers to use common methods
Add provider class
Refactor existing providers
Clean up extra provider methods
Refactor module layout
Clean up provider resolution code
Add documentation about the installation process
Massive refactoring
Add specs for bukget
Add specs for jenkins
Remove require 'bukin/exceptions' (moved to bukin.rb)
Add VCR support for playing back tests offline
Remove support for Ruby 1.8.7
Clean up provider tests
Add spec for BukkitDl
Add spec for FileMatch
Add to_s to Bukfile

Conflicts:
	lib/bukin/bukfile.rb
Replace constants in lockfile spec
Fix spacing
Add spec for cli