updated gitgnore to ignore target folder
added missing about.html files (Bug #408352)
fixed licence (Bug #408351)
diff --git a/.gitignore b/.gitignore
index d4b736c..d4aeadf 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,3 +5,4 @@
 *.DS_Store
 *.swp
 *.out
+target/