Peter M. Groen / openbr

Explicit bytearray serialization

This is normal operation, the QDataStream will sometimes request
blocks larger than the amount remaining, in that case it's fine just
to return the max amount available instead of erroring.

Change ut.X and ut.Y to int32_t for BBs outside the image

Mask updates

…m, this is now a bad default

Opencv model storage

Conflicts:
	openbr/plugins/tree.cpp

Liblinear

This reverts commit decda7bc5277e839d1bcf3e78754f2400878c969.

This reverts commit cb35ce836903f6baa19cf577932e6d2b92f3fedb, reversing
changes made to f2f88b8c72d0c86d66232c2cb26a39ab40bca4f3.