Update to MySQL 5.6.19, for various fixes described at
    
      https://dev.mysql.com/doc/relnotes/mysql/5.6/en/news-5-6-19.html
    - outfile_loaddata resolved on all archs
    - Solaris files not installed, no need to remove
    - Simplify multilib install
    - Use install's -D option some places
    - Add explicit conflict with mariadb-galera-server