* moved allocator to c_utilities
* moved error_handling to c_utilities
* refactor uses of RCL_SET_ERROR_MSG with allocator
* add missing guard condition functions and tests
* add missing timer functions
* refactor rcl_lifecycyle
* missed an instance of RCL_SET_ERROR_MSG
* fix segfaults in error cases for rcl_lifecycle
* remove extra header
* check return code of rcl_lifecycle_init_default_state_machine