Add getter for plugins' resource folder
Use a static file header that is not declared as Javadocs.

Also make use of blank lines more liberally.
Reformat source code with IntelliJ IDEA preset

Some of this may be slightly off but it's better than it was
Update README.md, add CONTRIBUTING.md

Signed-off-by: Steven Downer <grinch@outlook.com>
Add modifed google style checkstyle.xml

Commented-out things are features that require unreleased versions
of checkstyle.
Github's urls are case-sensitive
Fix documentation of PluginManager.getPlugin

It is looking up by ID, not name
Add IntelliJ formatting setting xml file
Added subscription to VoxelEvent
add support for FML's dependency format to @Plugin
move loggers, etc. for plugins over to a PreInitializationEvent
get rid of global logger in game
update example plugin for new logger changes
Update README.md
Add Guava 16 as a dependency.
Add JUnit, Hamcrest-library, and Mockito as test dependencies.
Add preliminary command interfaces.
Fix an incorrect assertion that getCause() won't return null.
Added Euler Direction Interface
Added a few more methods to EulerDirection, and fixed JavaDocs a bit