Updated links in about dialog

name.abuchen.portfolio.ui/src/name/abuchen/portfolio/ui/dialogs/about.software.txt

@@ -2,10 +2,10 @@ This product includes software developed by the
 
 [Eclipse Foundation](http://eclipse.org/)
 [Apache Software Foundation](http://apache.org/)
-[SWT Chart Project](http://www.swtchart.org/)
-[Tree Map Library](http://code.google.com/p/treemaplib/)
+[SWT Chart Project](https://projects.eclipse.org/projects/science.swtchart)
+[Tree Map Library](https://github.com/smurf667/treemaplib)
 [jsoup Java HTML Parser](http://jsoup.org)
-[JSON.simple](https://code.google.com/p/json-simple/)
+[JSON.simple](https://github.com/fangyidong/json-simple)
 [Protobuf](https://github.com/protocolbuffers/protobuf)
 [Guava](https://github.com/google/guava)
 [JsonPath](https://github.com/json-path/JsonPath)

name.abuchen.portfolio.ui/src/name/abuchen/portfolio/ui/dialogs/about.writers.txt

@@ -1,9 +1,11 @@
 [Portfolio Performance Forum](https://forum.portfolio-performance.info) run by [@Thomas](https://forum.portfolio-performance.info/u/thomas)
 
-[Handbuch (German)](https://help.portfolio-performance.info) created with the help of
+[Manual (English)](https://help.portfolio-performance.info/en/) created by
+* [hug-sch](https://github.com/hug-sch)
 
-[tenorix](https://github.com/tenorix)
-[toastie89](https://github.com/toastie89)
-[ProgFriese](https://github.com/ProgFriese)
-[kleines-mue](https://github.com/kleines-mue)
-[Money-Dealer](https://github.com/Money-Dealer)
+[Handbuch (German)](https://help.portfolio-performance.info) created with the help of
+* [tenorix](https://github.com/tenorix)
+* [toastie89](https://github.com/toastie89)
+* [ProgFriese](https://github.com/ProgFriese)
+* [kleines-mue](https://github.com/kleines-mue)
+* [Money-Dealer](https://github.com/Money-Dealer)