Change log for 6.3.1

Prepare 6.3 release

Prepare 6.2 release

Merge pull request #329 from icsharpcode/customizable-searchresult-re…

…ndering

Fix #316: Expose MarkerPen and MarkerCornerRadius on SearchPanel.

Fix "SHFB(0,0): error BE0071: Unable to locate information for the pr…

…oject framework version '.NET Framework 4.5' or a suitable redirected version on this system. See error number help topic for details." (note: generates a new warning with auto-upgrade to net5.0, this is intentional)

Prepare 6.1.1 release

Build for 6.1 final

Merge pull request #230 from Nickelony/master

Fixed CompletionList Foreground and Background colors not applying.

Prepare 6.0.1

Prepare RTM of AvalonEdit 6.0