Update EventPriority.java

When using "neither", "nor" is used instead of "or".  For more: quickanddirtytips.com/education/grammar/when-use-nor
Merge #77

Thanks again @Bionicrm

commit 32556dfd1e19b6bc6ee8280cb14a58394e672799
Author: T.J. Mazeika
Date:   2014-03-01 15:18:42 -0500

Update EventPriority.java

When using "neither", "nor" is used instead of "or".  For more: quickanddirtytips.com/education/grammar/when-use-nor