Janitor issues

* Use horizontalAdvance
* Remove unused code
* Hide some warnings from Qt code
* Remove message for _SILENCE_TR1_NAMESPACE_DEPRECATION_WARNING
* Use CMP0077 NEW
* Move roff libraries to folder Thirdparty
* avoid operator()==
* Remove cmake_minimum_required and set version to 3.15

ApplicationExeCode/CMakeLists.txt

@@ -1,5 +1,3 @@
-cmake_minimum_required(VERSION 3.12)
-
 project(ApplicationExeCode)
 
 # set packaging dir
@@ -597,7 +595,6 @@ if(RESINSIGHT_PRIVATE_INSTALL)
       TARGET "Boost::filesystem"
       PROPERTY LOCATION_RELEASE
     )
-    message("_filepath: ${_filepath}")
 
     # The location of Boost is based on the file structure as installed by vcpkg
     # The DLLs are located in the /bin folder
@@ -607,8 +604,6 @@ if(RESINSIGHT_PRIVATE_INSTALL)
     # Use file clobbing, as the dlls are decorated with local compiler info
     file(GLOB RI_BOOST_DLLS ${_dir}/boost_filesystem*.dll)
 
-    message("RI_BOOST_DLLS : ${RI_BOOST_DLLS}")
-
     install(
       FILES ${RI_BOOST_DLLS}
       DESTINATION ${RESINSIGHT_INSTALL_FOLDER}