Added OpenMP pragmas for parallel execution of Image::TemplateMatch() and Image::TrackPixels()

Signed-off-by: Vinicius Dias de Oliveira Gardelli <gardelli123@gmail.com>
Reorganised src/Makefile.am file.

Signed-off-by: Vinicius Dias de Oliveira Gardelli <gardelli123@gmail.com>
Removed OpenCV from configure.ac
Fixed linker issues on automake files.
Merge branch 'vinicius/OpenMP' into dev