- Add opencv-imgproc-fix-bounds-check.patch:
make backport from commit 4ca89db to fix imgproc(hdr)
bounds check in HdrDecoder::checkSignature ( bsc#1074312,
CVE-2017-18009).

- Add opencv-imgcodecs-fix-integer-overflow.patch:
make backport from commit aacae20 to fix code problems with
integer overflow / address arithmetic / UB ( bsc#1057146,
CVE-2017-14136 ).

CVE-2016-1516, bsc#1052451, CVE-2017-12606, bsc#1052454,
CVE-2017-12604, bsc#1052455, CVE-2017-12603, bsc#1052456,
CVE-2017-12602, bsc#1052457, CVE-2017-12601, bsc#1052459,
CVE-2017-12600, bsc#1052461, CVE-2017-12599, bsc#1052462,
CVE-2017-12598, bsc#1052465, CVE-2017-12597, bsc#1052465,
CVE-2017-12597, bsc#1054019, CVE-2017-12864, bsc#1054020,
CVE-2017-12863, bsc#1054021, CVE-2017-12862, bsc#1054984,
CVE-2017-12605 ).