Merge pull request #493 from rolandwalker/use_installer_manual

use `installer :manual` in 3 Casks

Casks/hearthstone-eu.rb

@@ -6,7 +6,5 @@ class HearthstoneEu < Cask
   homepage 'http://eu.battle.net/hearthstone/en/'
   license :unknown
 
-  caveats do
+  installer :manual => 'Hearthstone-Setup-enGB.app'
-    manual_installer 'Hearthstone-Setup-enGB.app'
-  end
 end

Casks/jdownloader2.rb

@@ -10,7 +10,5 @@ class Jdownloader2 < Cask
   homepage 'http://jdownloader.org/download/offline'
   license :unknown
 
-  caveats do
+  installer :manual => 'JDownloader Installer.app'
-    manual_installer 'JDownloader Installer.app'
-  end
 end

Casks/little-snitch-nightly.rb

@@ -6,7 +6,5 @@ class LittleSnitchNightly < Cask
   homepage 'http://www.obdev.at/products/littlesnitch/index.html'
   license :unknown
 
-  caveats do
+  installer :manual => 'Little Snitch Installer.app'
-    manual_installer 'Little Snitch Installer.app'
-  end
 end