feat(panic): abort on panic.

- not continuing in the broken state
- currently restart Actor using Supervisor is too complex without real
  gain

Author: iwanbk

Cargo.toml

@@ -6,3 +6,7 @@ members = ["zstor"]
 # opt-level = 'z'
 lto = true
 codegen-units = 1
+panic = 'abort'
+
+[profile.dev]
+panic = 'abort'