TIGERSearch: Concordance integration, engine selection, TIGERSearch

Implement:

# install the TIGERSearch extension

# open a Concordance

# choose “TS” engine

# write the TIGERSearch query

#pivot:[word=/[Cc][ou]m?me?/ & pos="CONsub"]

1. display “word” concordances

Problems:

• build a selection compatible with the CQP corpus word positions
  • eg SRCMF corpus has no ponctuation and duplicated words (*)

(from redmine: issue id 2494, created on 2019/01/25 by Matthieu Decorde)