holmes v1.0.0

This is the first release version for holmes, you can use holmes on your production environment now.

Background introduction and design details were posted on our blog sites : holmes introduction in Chinese, holmes is used by mosn inside ant financial, which has more than 400k instances in production.

Now holmes supports self-aware profile dump including:

• goroutine profile dump when goroutine number spikes
• cpu profile dump when cpu usage spikes
• heap profile dump when memory usage spikes.

Thanks for our contributors: @Jun10ng @doujiang24 @songzhibin97 @cch123 @Mutated1994

If you encounter any problem when you use holmes, welcome to open an issue or pull request!