Merge pull request #242 from platanus/fix-illformed-gemfile

fix(gem-helpers): pass gem version to gather gem as a hash option

lib/potassium/helpers/gem-helpers.rb

@@ -69,7 +69,7 @@ def call_gem_for_gem(gem_data)
   def add_original_rails_gems
     gemfile_entries.each do |entry|
       unless entry.commented_out
-        gather_gem(entry.name, entry.version)
+        gather_gem(entry.name, version: entry[:version])
       end
     end
   end