Switch to side-by-side view

--- a/metric-providers/org.ossmeter.metricprovider.historic.numberofcommitters/META-INF/MANIFEST.MF
+++ b/metric-providers/org.ossmeter.metricprovider.historic.numberofcommitters/META-INF/MANIFEST.MF
@@ -8,4 +8,5 @@
  com.googlecode.pongo.runtime.dependencies,
  org.ossmeter.repository.model,
  org.ossmeter.platform,
- org.ossmeter.metricprovider.trans.committers
+ org.ossmeter.metricprovider.trans.committers,
+ org.ossmeter.platform.client.api