build: trial version target

builds now app and trail target, lib_gui added, istrail function

cmake/licenses.cmake

@@ -30,6 +30,6 @@ AddLicense("Eigen" "http://eigen.tuxfamily.org" "${LICENSEFOLDER}/eigen_LICENSE.
 set(LICENSE_ARRAY "${LICENSE_ARRAY}\n")
 
 configure_file(
-        ${CMAKE_SOURCE_DIR}/src/app/licenses.h.in
-        ${CMAKE_SOURCE_DIR}/build/src/app/licenses.h
+        ${CMAKE_SOURCE_DIR}/src/lib_gui/licenses.h.in
+        ${CMAKE_SOURCE_DIR}/build/src/lib_gui/licenses.h
 )

cmake/version.cmake

@@ -43,6 +43,6 @@ message(STATUS "Git commit time: ${GIT_COMMIT_TIME}")
 message(STATUS "Git version number:" ${GIT_VERSION_NUMBER} )
 
 configure_file(
-  ${CMAKE_SOURCE_DIR}/src/app/version.h.in
-  ${CMAKE_SOURCE_DIR}/build/src/app/version.h
+  ${CMAKE_SOURCE_DIR}/src/lib_gui/version.h.in
+  ${CMAKE_SOURCE_DIR}/build/src/lib_gui/version.h
 )