change "suppors to supports"
Fog::File.read returns its contents after upload

This solves the case where uploading a file to Fog and then reading its body
immediately afterward results in a deleted, closed tempfile rather
than the actual contents of the upload. #1338
Merge pull request #1517 from stormsilver/issues/1338

Cause Fog::File.read to return its contents after upload
Merge pull request #1514 from matthewbarram/fix_readme_typo

change "suppors to supports"