The implementation of particle filtering tracker

This contribution aims to implement the sampler based on particle
filtering within a generic tracking API that opencv has. Maybe, one day
it will become a part of a robust solver.
Merge pull request #6 from nailbiter/optimPF

The implementation of particle filtering tracker
bioinspired -> opencv_contrib
Merge pull request #7 from ilya-lavrenov/bioinspired

bioinspired -> opencv_contrib
added perf tests for bioinspired
Merge pull request #8 from ilya-lavrenov/bio_perf

added perf tests for bioinspired
reg module: Add sample and README file

README.md file with a short description of the module is added. An
example on how to use the module can be found now in reg/samples/.
Merge pull request #9 from alfonsosanchezbeato/master

reg module: Add sample and README file
add an RGBD module
Merge pull request #10 from vrabaud/master

add an RGBD module
fix compilation problems seen in #12
Update README.md

just added procedure if using cmake-gui interface
Update README.md
added a local extremum blob detector that can be used after retina module to detect transient areas (low level saliency)
Merge pull request #14 from albenoit/master

added a local extremum blob detector
fix compilation problems seen in #11
Merge branch 'master' of https://github.com/Itseez/opencv_contrib