Release v0.9.4

Changes since v0.9.3
----------------------
d402568 Fix proto2 enum default values (#54)
d14311c Update README.md
74d2148 Resolve potential OneOf naming collisions (#52)
ac3fde2 Update Jon's email (#57)
00cd856 Update Greg and Murali CONTRIBUTORs (#56)
7cca294 Update README.md

Signed-off-by: Greg Haskins <greg@manetu.com>

project.clj

@@ -1,4 +1,4 @@
-(defproject protoc-gen-clojure "0.9.4-SNAPSHOT"
+(defproject protoc-gen-clojure "0.9.4"
   :description "Protobuf protoc compiler plugin to generate native Clojure support for Google Protocol Buffers and GRPC"
   :url "http://github.com/protojure/protoc-plugin"
   :license {:name "Apache License 2.0"