Update change log with texts from marketing

These are the texts that they came up with. And we corrected them. And they came up with factually wrong texts again. We corrected them again. Now we won't allow any changes any more. Pft.

plugins/ChangeLogPlugin/ChangeLog.txt

@@ -1,14 +1,14 @@
 [2.3.1]
 *Layer Height in Profile Selection
-The layer height of each profile is now shown in the profile selection menu.
+Added the layer height to the profile selection menu.
 
 *Bug fixes
-Editing material settings has actual effect on the prints again
-Upgrading from version 2.1 on OSX works again
-You can import g-code from related machines as profile
-Fixed inheritance taking from the wrong extruder
-The i-symbol is updated properly
-Fixed a freeze that could sometimes occur while printing via Wi-Fi
+Fixed the option to import g-code from related machines as a profile
+Fixed a bug where editing material settings has no effect on 3D prints
+Fixed an issue with automatic profile importing on Cura 2.1 on Mac OSX
+Fixed an inheritance issue for dual extrusion
+Fixed an issue with "i" symbol updates
+Fixed a freeze that can occur while printing via Wi-Fi
 
 [2.3.0]
 *Multi Extrusion Support