upgpkg: texstudio 2.8.8-1

upstream release 2.8.8

git-svn-id: file:///srv/repos/svn-community/svn@123476 9fca08f4-af9d-4005-b8df-a31f2cc04f65
archrelease: copy trunk to community-i686, community-x86_64

git-svn-id: file:///srv/repos/svn-community/svn@123477 9fca08f4-af9d-4005-b8df-a31f2cc04f65