update known issues

known_issues.rst

@@ -2,36 +2,24 @@ Known Issues
 ============
 
 This is a list of known issues and missing features. It is not complete.
+Some issues are discussed at the projects issue tracker: https://github.com/tobias47n9e/innstereo/issues
 
-GUI
----
+ - Drag & Drop for Data View
+ - Data sorting dialog
+ - Undo & Redo
+ - Translations
+ - Adjustable legend position
+ - Pixel density adjustment does not work properly
 
-- Drag & Drop for Data View
-- Copy & Paste functionality
-- Data sorting dialog
-- Undo & Redo
-- Print dialog (?)
-- Translations
+Possible Additions
+------------------
 
-Settings
---------
-
-- Adjustable legend position
-- Pixel density adjustment does not work properly
-
-Plot
-----
-
-- Paleostress View
+ - Print Dialog
+ - Paleostress View
     - Fluctuation histogram
     - PT-Axis
     - Mohr Circle
-- Fold datasets
-- Histograms (as opposed to Rose-Histograms)
-
-Calculations
-------------
-
-- Inversion
-- Find axial planes
-- Find conjugated planes (Riedel and similar planes)
+ - Fold datasets
+ - Histograms (as opposed to Rose-Histograms)
+ - Find axial planes
+ - Find conjugated planes (Riedel and similar planes)