Used Path.Combine for path. Small changes to make the form look a bit nicer
Merge pull request #21 from arxae/settings-(winform)

Some small form changes
Config Saving

- The Config can now be saved to a text file
- Renamed ContextMenuShowMargin to ContextMenu_ShowMargin to make it
similar to ContextMenu_Animation_InsertAtIndex
- Slightly altered the layout of the Config Window