Added tutorial and session mechanism
diff --git a/public/img/korap-logo-kalamar.svg b/public/img/korap-logo-kalamar.svg
index e645226..8645212 100644
--- a/public/img/korap-logo-kalamar.svg
+++ b/public/img/korap-logo-kalamar.svg
@@ -1,127 +1,25 @@
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