rebase to mysql 5.6.13
tokutek/mysql56#24 always set default storage engine to tokudb in the cardinality tests
Tokutek/mariadb#10 Tokutek/ft-engine#79 set the tokudb_version variable
refs #26 fix inplace_alter_table for tokudb partitions
Tokutek/mysql56#26 fix crash on alter table of partitioned tokudb table
added -flto -fuse-linker-plugin to RelWithDebInfo #77
Merge branch 'lto' of github.com:Tokutek/ft-engine into lto