typo
Merge pull request #2314 from ilya-lavrenov:typo
Workaround a LLVM/Clang 3.3 bug.

The LLVM/Clang 3.3 has a bug when compile a cl kernel with
assignment of a scalar to a vector data type. This patch
could work around this bug.

Signed-off-by: Zhigang Gong <zhigang.gong@intel.com>
LICENSE and README files installation rules added.
opencv_run_all_tests.sh implemented for Android SDK.
Merge pull request #2321 from asmorkalov:android_run_all_tests
Merge pull request #2320 from asmorkalov:ocv_readme_license_install
Merge pull request #2318 from gongzg:2.4