Upgrade LibreOffice Beta to v5.1.0 RC2

- new download url scheme
- renamed application bundle.

Casks/libreoffice-beta.rb

@@ -1,13 +1,13 @@
 cask 'libreoffice-beta' do
-  version '5.1.0.0.beta2'
+  version '5.1.0.2'
-  sha256 '4ff5f22273b7e9e8abaabbbcd62bbbb06c2c90c9c45030f00a324f0cca26f73b'
+  sha256 '2955fc75c6f496a9055e4f8fd4075a506ca64f4a72df77a4c0e75e886a98849b'
 
-  url "https://download.documentfoundation.org/libreoffice/testing/#{version.split('.')[0..2].join('.')}/mac/x86_64/LibreOfficeDev_#{version}_MacOS_x86-64.dmg"
+  url "https://download.documentfoundation.org/libreoffice/testing/#{version.split('.')[0..2].join('.')}/mac/x86_64/LibreOffice_#{version}_MacOS_x86-64.dmg"
   name 'LibreOfficeDev'
   homepage 'https://www.libreoffice.org/download/pre-releases/'
   license :mpl
   gpg "#{url}.asc",
       key_id: 'c2839ecad9408fbe9531c3e9f434a1efafeeaea3'
 
-  app 'LibreOfficeDev.app'
+  app 'LibreOffice.app'
 end