update project template

• added support for pkgconfig
• added helper macros for (boost) python bindings
• config generator: fix not copying TestFacility from scripts project to build directory
• Add work around for broken DOOCS pkg-config files breaking linkage
• Make the coverage script build-system agnostic
• project-template: FindDOOCS now links clientlib first
• project-template: link against tine explicitly
• doc: Set -dNOSAFER environment for ghostscript
• file GLOB with symlinks for settings file
• project-template: update Doxyfile for doxygen version of Ubuntu 20.04
• Consolidate coverage options
• Ignore eclipse python project file.
• project-template: update clang-format (ReflowComments)
• project-template: update clang-format configuration
• [project-template] add coding style checker
• Ignore files generated by CMake during configure
• project-template: add comment to clang-format