Conditionally include backtraces in ROCPROFSYS_THROW based on verbosity (#272)

* Conditionally include backtraces in ROCPROFSYS_THROW based on verbosity

Modify ROCPROFSYS_THROW to only include backtraces when:
  debug mode is enabled, OR
  verbose level is >= 2, OR
  running in CI environment

* Fix formatting errors

source/lib/core/exception.hpp

@@ -36,6 +36,7 @@ class exception : public Tp
 public:
     explicit exception(const std::string& _msg);
     explicit exception(const char* _msg);
+    explicit exception(const std::string& _msg, bool with_backtrace);
 
     ~exception() override;