Added four vein databases

See merge request !43

Removed bob.ip.tensorflow_extractor

See merge request !42

Temporary CI for the new pipeline system

See merge request !40

# Conflicts:
#   order.txt

[archive] Archiving bob.pad.base

Closes bob.pad.vein#3

See merge request bob/bob.nightlies!41

Depracated bob.io.matlab, bob.ip.draw, bob.learn.libsvm, bob.learn.mlp, bob.learn.boosting, bob.db.wine, bob.ip.facedetect bob.ip.flandmark, bob.db.banca, bob.db.asvspoof
[skip ci]

This reverts commit c685cbe3.

This reverts commit 0777c2b4.