Fixed Core.OneDriveDocumentMigration readme.md style
Updated dates on readme.md files
Converted readme's to "md" format.
Updating documentation to markdown
Fixing title
Updating documentation to markdown
Converting documentation to markdown format
Converted docx/txt's to readme.md's.
Updating documentation to markdown format
Updated documentation to markdown format
Merge branch 'dev' of https://github.com/OfficeDev/PnP into dev
Bug fixes for Corporate events app