Created tests for downloading/extraction functionality. Added tests for ThesaurusDictionary.

Change-Id: I7191eb240e1a9b07ae0769371b28b3a21296483c
diff --git a/.gitignore b/.gitignore
index cd021ec..7aae760 100644
--- a/.gitignore
+++ b/.gitignore
@@ -37,3 +37,4 @@
 
 ### resources ###
 /src/main/resources
+/data
\ No newline at end of file