change PATH variable to IMPRESSIONIST_PATH. PATH used by Rails

lib/impressionist.rb

@@ -1,5 +1,5 @@
-PATH = File.dirname(__FILE__) + "/impressionist"
-require "#{PATH}/engine.rb"
+IMPRESSIONIST_PATH = File.dirname(__FILE__) + "/impressionist"
+require "#{IMPRESSIONIST_PATH}/engine.rb"
 
 module Impressionist
 end

test_app/Gemfile.lock

@@ -1,7 +1,7 @@
 PATH
   remote: /rails_plugins/mine/impressionist
   specs:
-    impressionist (0.2.1)
+    impressionist (0.2.2)
 
 GEM
   remote: http://rubygems.org/