GIF files supported
Simplify image reading
Skip images with errors
Added color features
WaitBar textual by default
extractConceptHistogram taking 2 separate parameters - imagePath and annotation
FKEncoder: suppress the display of feature size when encoding
Vocabularies: take image paths instead of a Dataset object as parameter
PCA training: image paths as input (instead of a Dataset object)
extractConcepts, parameters: imagePaths, annotations, conceptList
rootSIFT fix
prepareImages.descFiles updated
Image histogram creation fixed
restore original fisher.cxx
Color features update
runBenchmark shortcut method
Merge branch 'devel'