Make InitUtil available for plugins

The functionality that is provided by InitUtil is also useful for
init steps that are implemented by plugins. Move InitUtil into the api
package so that plugins can access it.

Change-Id: Idc3278b69a8a5682ef19f308db895081f2fd4682
Signed-off-by: Edwin Kempin <edwin.kempin@sap.com>
17 files changed