Added Custom Calibration Pattern Module.
Added precomp header.
Added the precomp.hpp file.
Updated headers.
Cleared shadowing warning.
pre-merge
Merge branch 'gsoc' of https://github.com/Bellaktris/opencv_contrib into inpainting
images -> vectors in xphoto/inpainting
Swapped CV_RGB macro to Scalar.
Updated ITERATIVE -> SOLVEPNP_ITERATIVE.
Fixed windows warnings. Updated docs to include default detector/matcher.
make opencv_cudaarithm dependency for xfeatures2d optional
Enclose code in ccalib namespace. Switch defines to consts.
fixed float warning.
Removed optim dependence
fixed warning with hashMurmur
Corrected possible loss of precision
removed wildcards from fg/bg path in ICFDetector::train
Merge pull request #87 from avdmitry/hash_murmur_warning

fixed warning with hashMurmur
Merge pull request #86 from ubisum/line_descriptor_module

Removed optim dependence