FIX #214 Making rpm scriptlets overrideable
Fixing wrong-variable error
Adding rpm to autostart. Checkinf for update-rc.d and chkconfig
Adding tests for rpm-scriptlets overrides in build.sbt
Fixing tests. rpmScriptsDirectory SettingKey was overriding the
debianControlFileDirectory SettingKey with the string id.
Fixing error with brpJavaRepack setting and add regression test
Merge pull request #219 from sbt/wip/rpm-template-overrides

FIX #214 Making rpm scriptlets overrideable