[SLING-1746] Use slf4j instead of log service

• Type: Task
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: Installer Core 3.0.0
• Fix Version/s: Installer Core 3.0.0
• Component/s: Installer
• Assignee: Carsten Ziegeler
• Reporter: Carsten Ziegeler
• Created: 10/Sep/10 08:44
• Updated: 20/Sep/17 12:13
• Resolved: 10/Sep/10 10:51

Description

The installer uses currently the LogService to avoid dependencies - however nearly every log service implementation comes with various logging api's - so from
a dependency pov it's no difference.
The slf4j api (or any other logging api) provides more usuability, therefore we should switch