created cask for PhpStorm 9

Casks/phpstorm9.rb

@@ -0,0 +1,30 @@
+cask :v1 => 'phpstorm9' do
+  version '9.0.2'
+  sha256 '7995e951d442cb9203ed1e8ae491407a1b514828cef10bb9c7840880cbfacec2'
+
+  url "http://download.jetbrains.com/webide/PhpStorm-#{version}.dmg"
+  homepage 'http://www.jetbrains.com/phpstorm/'
+  license :commercial
+
+  app 'PhpStorm.app'
+
+  zap :delete => [
+                  '~/Library/Application Support/WebIde90',
+                  '~/Library/Caches/WebIde90',
+                  '~/Library/Logs/WebIde90',
+                  '~/Library/Preferences/WebIde90',
+                  '~/Library/Preferences/com.jetbrains.PhpStorm.plist',
+                  '~/.WebIde90',
+                 ]
+
+  caveats <<-EOS.undent
+    #{token} requires Java 6 like any other IntelliJ-based IDE.
+    You can install it with
+
+      brew cask install caskroom/homebrew-versions/java6
+
+    The vendor (JetBrains) doesn't support newer versions of Java (yet)
+    due to several critical issues, see details at
+    https://intellij-support.jetbrains.com/entries/27854363
+  EOS
+end