Add the "capitalize" function, which capitalizes the first letter of a string
Correct the value assigned to "nspace_u" to match the variable's definition
Use "nspace_u" to output the namespace capitalized, where appropriate, in generate_service_client and generate_service_server
Use "nspace_u" to output the namespace correctly capitalized in generated function signatures.
Use the correct formatting for the namespace in function calls within the generated *_processor_class_init function