- handle bad matching case
- use BFMatcher and FlannBasedMatcher (and thus fixing a bug: L2^2 metric was used for flann)

fix gcc C++11 bug mentioned in http://answers.opencv.org/question/283 . Bug also fixed in FLANN upstream

Some aditional logs added;
AndroidManifest version incremented.

Arm-v7a neon package support enabled.

Aditional tests added;
Some bug fixes with different __SUPPORT_XXX defines.

(see also r8895, r8887 and #2043)

Tegra3, neon, sseX, x64 support uncomment and guarded by ifdefs.

refactored GPU LBP cascade. Added support for big images. Fixed bug in connected components function