Bug 573421 - Avoid local history for derived files

Added a configuration whether history for derived files is kept.
Off by default.

Change-Id: I27eba608269c2d96827066bab86496bd1bfa20f2
Signed-off-by: Joerg Kubitz <jkubitz-eclipse@gmx.de>
Reviewed-on: https://git.eclipse.org/r/c/platform/eclipse.platform.resources/+/180356
Tested-by: Lars Vogel <Lars.Vogel@vogella.com>
Reviewed-by: Lars Vogel <Lars.Vogel@vogella.com>
12 files changed