TIGERSearch: fix TS command and remove TSindex command

The TS command is broken (null object).

The TSIndex command must be removed (not finished).

(from redmine: issue id 2356, created on 2018/03/14 by Matthieu Decorde)

added Commands type::bug + 1 deleted label

changed milestone to %TXM Syntax 1.0

fix libraries inclusion

(from redmine: written on 2018/04/23 by Matthieu Decorde)

closed

assigned to @mdecorde