fix the init script for .deb packages (rpm's were fine already)
- Don't abort if plugin table exists - Use longer timeout for start/stop of mysqld debian/dist/Debian/mariadb-server-5.5.postinst: Don't abort if plugin table exists debian/mariadb-server-5.5.mysql.init: Use longer timeout for start/stop of mysqld
file_contents.test. Also fix some old references to 5.3 in .deb packaging found while debugging this.