Update target platform to include commons.lang3 for SF

Issue-Ref: 3836
Signed-off-by: Alexander Diewald <diewald@fortiss.org>

org.fortiss.af3.target.target

-<?xml version="1.0" encoding="UTF-8" standalone="no"?><?pde version="3.8"?><target name="Target-2019-12" sequenceNumber="8">
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<?pde version="3.8"?>
+<target name="Target-2019-12" sequenceNumber="8">
 <locations>
 	<location includeAllPlatforms="false" includeConfigurePhase="true" includeMode="planner" includeSource="true" type="InstallableUnit">
 		<repository location="https://download.eclipse.org/nebula/releases/2.1.0/"/>
@@ -38,6 +40,7 @@
 		<unit id="javax.servlet" version="3.1.0.v201410161800"/>
 		<unit id="javax.servlet.jsp" version="2.2.0.v201112011158"/>
 		<unit id="javax.xml.stream" version="1.0.1.v201004272200"/>
+		<unit id="org.apache.commons.lang3" version="3.1.0.v201403281430"/>
 	</location>
 	<location includeAllPlatforms="false" includeConfigurePhase="true" includeMode="planner" includeSource="true" type="InstallableUnit">
 		<repository location="https://download.fortiss.org/public/projects/org.fortiss.openjfx/13/"/>