Update PhpStorm EAP to 138.38 release.

Change homepage to the one specific to EAP rather than the general URL
for the app.

Casks/phpstorm-eap.rb

@@ -1,7 +1,7 @@
 class PhpstormEap < Cask
-  url 'http://download.jetbrains.com/webide/PhpStorm-EAP-136.1672.dmg'
-  homepage 'https://www.jetbrains.com/phpstorm/index.html'
-  version '136.1672'
-  sha256 '633aa5021cdc871343254c2c3c2c3beb1914b4b2b64db776ee5b9e49ee276248'
+  url 'http://download.jetbrains.com/webide/PhpStorm-EAP-138.38.dmg'
+  homepage 'http://confluence.jetbrains.com/display/PhpStorm/PhpStorm+Early+Access+Program'
+  version '138.38'
+  sha256brew '10bd216cab733340447a2ef531d24284a319284cfa673fa71b908affefa55278'
   link 'PhpStorm EAP.app'
 end