Revert switch of OAI-PMH harvester library

Causes downstream problems due to jitpack.io requirement

See #360

build.gradle

@@ -81,7 +81,6 @@ subprojects {
   repositories {
     mavenLocal()
     mavenCentral()
-    maven { url 'https://jitpack.io' }
   }
 }
 

metafacture-biblio/build.gradle

@@ -21,7 +21,7 @@ dependencies {
   api project(':metafacture-framework')
   implementation project(':metafacture-commons')
   implementation project(':metafacture-flowcontrol')
-  implementation 'com.github.hbz:oai-harvester2:master-SNAPSHOT'
+  implementation 'org.dspace:oclc-harvester2:0.1.12'
   implementation ('xalan:xalan:2.7.0') {
     exclude group: 'xalan', module: 'serializer'
     exclude group: 'xercesImpl', module: 'xercesImpl'

metafacture-biblio/src/main/java/org/metafacture/biblio/OaiPmhOpener.java

@@ -10,17 +10,18 @@
 import java.io.Reader;
 
 import javax.xml.parsers.ParserConfigurationException;
-import javax.xml.xpath.XPathException;
+import javax.xml.transform.TransformerException;
 
 import org.metafacture.framework.MetafactureException;
 import org.metafacture.framework.ObjectReceiver;
 import org.metafacture.framework.annotations.Description;
 import org.metafacture.framework.annotations.In;
 import org.metafacture.framework.annotations.Out;
 import org.metafacture.framework.helpers.DefaultObjectPipe;
-import org.oclc.oai.harvester2.app.RawWrite;
 import org.xml.sax.SAXException;
 
+import ORG.oclc.oai.harvester2.app.RawWrite;
+
 /**
  * Opens an OAI-PMH stream and passes a reader to the receiver.
  * 
@@ -110,9 +111,9 @@ public void process(final String baseUrl) {
 			e.printStackTrace();
 		} catch (SAXException e) {
 			e.printStackTrace();
-		} catch (NoSuchFieldException e) {
+		} catch (TransformerException e) {
 			e.printStackTrace();
-		} catch (XPathException e) {
+		} catch (NoSuchFieldException e) {
 			e.printStackTrace();
 		}
 		try {