Merge remote-tracking branch 'dotnet/master' into softek_master

Add newlines to leading trivia of EndOfFileToken, if necessary

(cherry picked from commit 0f6a404)

Merge pull request dotnet#206 from stephentoub/licensing_headers

Update licensing headers

The 1.0.0 alpha 5 release

The 1.0.0 alpha3 release.

Code Formatter 1.0.0-alpha3

Code Formatter 1.0.0-alpha2

Code Formatter 1.0.0-alpha