Cleanup server-side terminology and class hierarchy

Description

Alluxio server-side uses different layers of abstraction all of which are referred to "service".

The goal of this task is to remove the overloading and provide interfaces for the following hierarchy: Process > Server > Service and perform related code base cleanup.

Environment

None

Status

Assignee

Jiri Simsa

Reporter

Jiri Simsa

Labels

Fix versions

Affects versions

Priority

Minor
Configure