Fix path to file

lib/swot.rb

@@ -1,5 +1,3 @@
-$:.unshift(File.dirname(__FILE__))
-
 require 'public_suffix'
 
 module Swot
@@ -177,8 +175,7 @@ module Swot
     # Return the institution name, or nil if not found.
     def name_from_academic_domain(domain)
       begin
-        file = File.expand_path(__FILE__+'/..')
-        file = File.open("lib/domains/#{domain.tld}/#{domain.sld}", "rb")
+        file = File.open("#{File.expand_path(__FILE__+'/..')}/domains/#{domain.tld}/#{domain.sld}", "rb")
         contents = file.read
         contents.strip!
         return contents