* Moves the Executor dyn Trait to instruction_processor.rs
* Moves the Logger dyn Trait as well as the ic_msg and ic_logger_msg macros to log_collector.rs,
and moves the stable_log to stable_log.rs
* Moves the ComputeMeter dyn Trait to invoke_context.rs
* Moves the InvokeContext dyn Trait and the ProcessInstructionWithContext type to invoke_context.rs
* Updates cargo files.
* Re-export InvokeContext in program-test
Co-authored-by: Jon Cinque <jon.cinque@gmail.com>
