Add the doc

doc/build/plot_directive/example/processing/apcv.png

...e/example/processing/contrast_weighted_nearness.hires.png

...rective/example/processing/contrast_weighted_nearness.pdf

...rective/example/processing/contrast_weighted_nearness.png

...directive/example/processing/michelson_contrast.hires.png

.../plot_directive/example/processing/michelson_contrast.pdf

.../plot_directive/example/processing/michelson_contrast.png

doc/build/plot_directive/example/processing/scene.hires.png

doc/build/plot_directive/example/processing/scene.pdf

doc/build/plot_directive/example/processing/scene.png

...build/plot_directive/example/processing/skyline.hires.png

doc/build/plot_directive/example/processing/skyline.pdf

doc/build/plot_directive/example/processing/skyline.png

doc/make.bat

doc/source/analysing.rst

doc/source/comparing.rst

doc/source/computing.rst

doc/source/conf.py

doc/source/database.rst

doc/source/example/database/load_image_posorient.py