add CoMISo to COMISO_INCLUDE_DIR so that <Base/...> includes work

Status Job ID Name Coverage
  Test
passed #1626
Linux
clang-c++11-Qt4

00:37:55

passed #1630
Linux
clang-c++11-Qt5

00:47:53

passed #1628
Linux
clang-c++98-Qt4

00:29:17

passed #1632
Linux
clang-c++98-Qt5

00:34:13

passed #1625
Linux
gcc-c++11-Qt4

00:03:45

passed #1629
Linux
gcc-c++11-Qt5

00:03:55

passed #1627
Linux
gcc-c++98-Qt4

00:02:46

passed #1631
Linux
gcc-c++98-Qt5

00:03:12