Merge branch 'warn' into 'master'

Warn

See merge request !99
23 jobs for master in 41 minutes and 7 seconds (queued for 1 second)
Status Name Job ID Coverage
  Test
passed clang-c++11 #14788
Linux

00:21:35

passed clang-c++98 #14790
Linux

00:16:56

passed cppcheck #14793
Linux

00:00:24

passed gcc-c++11 #14787
Linux

00:04:12

passed gcc-c++98 #14789
Linux

00:03:51

passed macos-c++11 #14791
Apple

00:16:28

passed macos-c++98 #14792
Apple

00:15:38

passed VS2013-32-bit-shared-apps #14804
VS2013

00:05:13

passed VS2013-32-bit-shared-no-apps #14805
VS2013

00:03:25

passed VS2013-32-bit-static-apps #14808
VS2013

00:04:20

passed VS2013-32-bit-static-no-apps #14809
VS2013

00:03:58

passed VS2013-64-bit-shared-apps #14802
VS2013

00:04:58

passed VS2013-64-bit-shared-no-apps #14803
VS2013

00:04:08

passed VS2013-64-bit-static-apps #14806
VS2013

00:04:52

passed VS2013-64-bit-static-no-apps #14807
VS2013

00:04:23

passed VS2015-32-bit-shared-apps #14796
VS2015

00:05:47

passed VS2015-32-bit-shared-no-apps #14797
VS2015

00:05:06

passed VS2015-32-bit-static-apps #14800
VS2015

00:05:27

passed VS2015-32-bit-static-no-apps #14801
VS2015

00:05:11

passed VS2015-64-bit-shared-apps #14794
VS2015

00:07:08

passed VS2015-64-bit-shared-no-apps #14795
VS2015

00:05:09

passed VS2015-64-bit-static-apps #14798
VS2015

00:06:19

passed VS2015-64-bit-static-no-apps #14799
VS2015

00:05:57