option parsing for berks-api binary moved to Berkshelf::API::SrvCtl

Berkshelf::API::Application.run() now takes a set of options making it easier
to start from another application
improve boot speed of SrvCtl by waiting to load 'berks/api' at the

last possible moment
remove spec for code that no longer exists
silence logger in tests
Merge pull request #17 from RiotGames/srv-ctl

option parsing for berks-api binary moved to Berkshelf::API::SrvCtl