Add read only functionality
Removed extraneous code and corrected parameter passed to GetFileByServerRelativeUrl
Added tests for null params and empty strings
Refactored exception from constant to resource
Fixed the remaining AppForSharePoint16WebToolkit nuget package references.
Merge remote-tracking branch 'contributor/pagesextbugfix' into dev
Moved some strings to resources
Merge remote-tracking branch 'contributor/dev' into dev
Merging of PR 139:
Adjusted documentation to be inline with our guidance
Moved documentation to MD format
Updated MD documentation to be in line with our guidance + added it to the VS project
Moved documentation to MD format
Refactored InstallSolution to remove deprected call
Updated Docs for Core.ExternalSharing
Create readme.md
removing readme.txt
Delete YouTube Mail App Sample.docx
Merging and updating Core.MMS readme.md