Merge pull request #457 from microsoft/users/pnechvatal/FixMissingGit…
…AndRelease
Updating .gitignore and pushing the released files, adding git clients
regen 6.0 as preview (#358)
* fix for issue #354
* catch OSError instead of FileExistsError, since FileExistsError is not available in python 2.7
* Revert "update apis to match 6.0 RTW"
This reverts commit e3f3fa9.
* regen 6.0 as preview
* bump version