add commons.io to target platform

org.polarsys.chess.parent/releng/org.polarsys.chess.target.neon/org.polarsys.chess.target.neon.target

@@ -45,6 +45,7 @@
 <unit id="org.eclipse.emf.sdk.feature.group" version="0.0.0"/>
 <unit id="org.eclipse.gef.sdk.feature.group" version="0.0.0"/>
 <unit id="org.eclipse.gmf.sdk.feature.group" version="0.0.0"/>
+<unit id="org.apache.commons.io" version="0.0.0"/>
 <repository location="http://download.eclipse.org/releases/neon/"/>
 </location>
 <location includeAllPlatforms="false" includeConfigurePhase="false" includeMode="planner" includeSource="true" type="InstallableUnit">
@@ -101,7 +102,6 @@
 <location includeAllPlatforms="false" includeConfigurePhase="false" includeMode="planner" includeSource="true" type="InstallableUnit">
 <unit id="org.eclipse.epsilon.core.feature.feature.group" version="0.0.0"/>
 <unit id="org.eclipse.epsilon.emf.feature.feature.group" version="0.0.0"/>
-<!--unit id="org.eclipse.epsilon.emf.feature.feature.group" version="1.5.1.201809302027"/-->
 <repository location="http://download.eclipse.org/epsilon/updates/1.4"/>
 </location>
 </locations>