Updated pom for building with java SDK 1.7

Seemed to be using 1.7 features anyways, not sure how this was
built with maven without setting this.
Added IDEA files to gitignore

Am I really the only one in the world that has embraced the wonders that is IDEA? How sad :(
Added SnakeYaml dependency to pom
Willie is now quite configurable :)
Can now specify if commands are only usable by admins.
Reload and join commands.
Admin and save commands.
admin command defaults to "admin list"
Leave command.
Use a less green green.
Keep command char in one place.
Merge remote-tracking branch 'origin/master'
Admin authentication via nickserv and some minor corrections.
Revert "Keep command char in one place."

This reverts commit 9bfd425b647cc2cac87cdde1e12a315c5f774f13.
Revert "Use a less green green."

This reverts commit e26296f0b9848960f29a8ab1681719eed8ff8890.
Merge pull request #5 from B2OJustin/configuration

Configuration, admin commands, leave/join commands, and more!