Remove AvalonEdit as git-submodule
Squashed 'AvalonEdit/' content from commit fc018ba

git-subtree-dir: AvalonEdit
git-subtree-split: fc018ba607be1adad213a060fa2a0a8d8426618d
Merge commit '8c80ed2450cf89d705310763edd90b24f34020e0' as 'AvalonEdit'
Add AvalonEdit as git-subtree
Resurrect replace mode in SearchPanel