Epoch is gone; now the version component names in C++ and CMake
are consistent (except REVISION corresponds to PATCH).

Aligned strings in CMakeList

Modified the check on plantuml extension

Some fixes

Moved find_host_program for plantuml script

Also, removed the one from modules/python/src2/cv.py and cleared its
executable bit, since it's not a script.

added logo to the online docs
moved quick-search panel
added logo with white sign

updated docs links in tutorials

changed OpenCV version to 2.3.2

Added the "Camera calibration With OpenCV" tutorial. Extended with a few global links the conf.py file. Corrected an error in the linux_install.rst and one in the cascade_classifier.rst file. 

Added to the tutorials the "Support Vector Machines for Non-Linearly Separable Data" contributed by Fernando Iglesias García. Corrected a mistake in the gpu-basics-similarity.rst file. 

Added the "Similarity check (PNSR and SSIM) on the GPU" tutorial. Corrected an highgui TOC tree mistake.