Uses relative path for kazmath/CMakeLists.txt and physics/CMakeLists.txt.
Simplifies linux template, build.sh is not needed now.
Renames title names for cpp and lua templates.
Deletes unused Makefile for linux.
[travis] builds linux template now.
Wrong dir fix for travis ci.
Merge pull request #4946 from dumganhar/linux-template-fix

Linux template update