CA: Add Ein and Eine to German stopword list

Change-Id: I52378f3e54a61b85b22838f53f3de15ea72741c9
diff --git a/R/collocationAnalysis.R b/R/collocationAnalysis.R
index f5dd559..52a0e33 100644
--- a/R/collocationAnalysis.R
+++ b/R/collocationAnalysis.R
@@ -319,7 +319,9 @@
     "dem",
     "nicht",
     "ein",
+    "Ein",
     "eine",
+    "Eine",
     "es",
     "auch",
     "an",