* use rcl_allocator for rcl_lifecycle
* correct return value interpretation
* fix unsigned comparison
* use namespace for lifecycle in-built topics
* linters
* update to use new rmw function name
* add rcl_validate_topic_name()
* add rcl_expand_topic_name()
* gcc couldn't handle the init lists with tuples
* uncrustify and cpplint
* fix signed compare warnings
* address comments
* organize the substitution string constants together at the top of the file
* comment
* 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