Module creation
Original code + comments
OpenCV configuration done
UML added
Some compilation-time problems corrected
Create README.md

Short description ad UML class diagram of the module
Update README.md
Update README.md
Update README.md
Creation of module's classes'sketetons
Merge branch 'saliencyModuleDevelop' of https://github.com/fpuja/opencv_contrib into saliencyModuleDevelop
Spectral Residual Saliency added
saliency sample added
New line extraction method and OpenCV standards accomplished
Reinsertion of OctaveKeyLines
Algorithm Params stuff and InputArray/OutputArray added
Added methods for derivation from FeatureDetector
Errors on derivation corrected
computeImpl method designed, Gaussian pyramids in a separate function
Objectness porting partially computed