Add release notes for ML.NET 0.2#301

Merged

glebuk merged 3 commits intodotnet:masterfrom

GalOshri:release-notes-0.2

Jun 5, 2018

Commits on Jun 5, 2018

Add release notes for ML.NET 0.2
Gal Oshri
committed
Adding release note about TextLoader changes and additional issue/PR references
Gal Oshri
committed
Addressing comments: fixing typos, changing formatting, and adding references
Gal Oshri
committed