Merge branch 'update-gurobi-cmake' into 'master'

Update GUROBI finder for 7.0

See merge request !187
6 jobs for master in 66 minutes and 15 seconds
Status Name Job ID Coverage
  Test
passed clang-c++11-Qt5 #14711
Linux MultiThreads

00:09:21

passed cppcheck #14712
Linux MultiThreads

00:40:45

passed gcc-c++11-Qt5 #14710
Linux

01:01:14

passed VS2013-Qt-5.5.1-x64 #14715
VS2013 Qt551

00:20:15

passed VS2015-Qt-5.6.0-x32 #14714
VS2015 Qt56

00:22:32

passed VS2015-Qt-5.6.0-x64 #14713
VS2015 Qt56

00:26:22