The following functions are renamed:
* code-coverage functions (CodeCoverage.cmake)
* Function to determine compue capabilities of cuda
  (ComputeCapabilityCUDA.cmake)
* internal functions in FindLLVM.cmake to _snake_case
* functions to install elsa modules (InstallElsaModule.cmake)
* Consistently call GENERATE_BINDINGS as SNAKE_CASE
* registerComponents to register_module (elsa/CMakeLists.txt)
* AddElsaModule to follow snake_case convention (elsa/CMakeLists.txt)

Also arguments to certain functions are now using lower case, to follow
more conventional standards.