This activate the general code mining preference in JDT and deactivates
all the detailed once. This allows the general editor setting for the
warnings to influence JDT.

This is a temporary change for 4.14 due to the last time, in 4.15 we
should remove the JDT specific setting.


Change-Id: I670ef8d5aee74981a8dbb2355692b6fd01fb3b73
Signed-off-by: Lars Vogel <Lars.Vogel@vogella.com>