Merge branch 'fix-cmake-qt5.10' into 'master'

cmake: fix qt version regex to work for qt 5.10

See merge request !49

cmake/ACGQt.cmake

@@ -47,7 +47,7 @@ macro (acg_qt5)
       endif(Qt5Core_VERSION)
 
       string(REGEX REPLACE "^([0-9]+)\\.[0-9]+\\.[0-9]+.*" "\\1" QT_VERSION_MAJOR "${Qt5Core_VERSION_STRING}")
-      string(REGEX REPLACE "^[0-9]+\\.([0-9])+\\.[0-9]+.*" "\\1" QT_VERSION_MINOR "${Qt5Core_VERSION_STRING}")
+      string(REGEX REPLACE "^[0-9]+\\.([0-9]+)\\.[0-9]+.*" "\\1" QT_VERSION_MINOR "${Qt5Core_VERSION_STRING}")
       string(REGEX REPLACE "^[0-9]+\\.[0-9]+\\.([0-9]+).*" "\\1" QT_VERSION_PATCH "${Qt5Core_VERSION_STRING}")
 
     find_package (Qt5Widgets QUIET PATHS ${QT_DEFAULT_PATH} ${QT5_FINDER_FLAGS})