adds trolcommander (active fork of inactive mucommander)

adds newline after end

address typo fixed

adds needed comment

Casks/trolcommander.rb

@@ -0,0 +1,12 @@
+cask :v1 => 'trolcommander' do
+  version '0.9.5'
+  sha256 '9bd9fe93245e55d20085ed14d1fafbfa0303806789416a594792e8a206a11457'
+
+  # github.com is the official download host per the vendor homepage
+  url "https://github.com/trol73/trol-commander-dist/blob/master/#{version}/trolcommander-#{version.gsub('.', '_')}.app.tar.gz?raw=true"
+  name 'trolCommander'
+  homepage 'http://trolsoft.ru/en/soft/trolcommander'
+  license :gpl
+
+  app 'trolCommander.app'
+end