Add comment on overriding LifeCycle trait
Rephrase SilkEnv and SilkFramework as Weaver
Rename SilkClusterFramework => ClusterWeaver
Use nested case classes to simplify Config customization
Relocate classes
env -> weaver. Optimize import statments
Rename env -> weaver
Fix import statments
Fix class name
Merge pull request #49 from xerial/feature/rename-env

Feature/rename env