Fix build for 4.2.2
Merge pull request #424 from juergenhoetzel/master

Fix build for 4.2.2
Merge branch 'master' of https://github.com/fsharp/fsharpbinding into finish_418
Revert "Avoid showing autocomplete when typing '.' on a line that only has whitespace before the dot."

This reverts commit 4a020fdb12b4a988772e1f87d4969e539810393a.