Update README.md
Merge pull request #171 from jacklin213/patch-1

Update README.md
Added Euler Direction Interface
Merge branch 'master' of https://github.com/SpongePowered/SpongeAPI
Added a few more methods to EulerDirection, and fixed JavaDocs a bit
Fix Comparable troubles
Merge branch 'master' of git://github.com/SpongePowered/SpongeAPI into config
Merge pull request #180 from kenzierocks/euler-direction-extends-comparable

Fix Comparable troubles
Merge branch 'master' of git://github.com/SpongePowered/SpongeAPI into config