Never use the system's sha2 library - ours has a different API now.  Fixes #4217
Automatic merge of translations from Transifex (https://www.transifex.com/projects/p/clementine/resource/clementineplayer)
Fix crash during adding a new podcast
Merge pull request #4225 from sobkas/master

This time it fixes the crash, I swear.
Bump installed dependency DLL versions.
Add new DLLs to windows install.
Install libffi DLL.
First try to warn user it should close Clementine before if upgrading it
oops, missed to git add new file
Added language selection to nsis installer.
Revert "First try to warn user it should close Clementine before if upgrading it"

This reverts commit 80ce992c9c844f9c2181472e602a43ba28048ce1 & ff29ea29db528f255e75624ab454cacbfe42d011.

The use of MUI_INSTALLOPTIONS_DISPLAY is no longer supported in MUI2, so this solution is not possible.
Remove Asturian language from nsis script (is not available).
Add Vk.com plugin.