Bump version to 0.9.4

FooBarWidget · FooBarWidget · commit def5c3071fba · 2014-02-02T13:41:45.000+01:00
diff --git a/Makefile b/Makefile
@@ -1,5 +1,5 @@
 NAME = phusion/passenger
-VERSION = 0.9.3
+VERSION = 0.9.4
 
 .PHONY: all build_all \
 	build_customizable build_ruby18 build_ruby19 build_ruby20 build_ruby21 \
