Simplified nickserv authentication.
No longer sends "Reloading..." message to all channels.
Made Willie a singleton.
Auth cleanup
Organized commands into separate packages.
Separated jenkins and github related classes into new packages
Use the PircBotX.identify method instead of messaging nickserv directly.
Use github API key instead of username/password
Support for commands via private message.
Revert "Support for commands via private message."

This reverts commit bdc16793982f69d82b44f09956ff67d3e2c5e57b.
Disabled issue notifications