Add design time resources for font scaling

Add scaling styles for built in Labels and TextBlocks on Visual Studio 2015 and up.

Merge pull request github#2156 from github/autocompletebox

Migrating and Updating AutoCompleteBox from *original* GitHub Desktop for Windows

Properly bumping to 2.8.1

Merge pull request github#1968 from github/l10n_master

New Crowdin translations

Merge fde4693 into 337f266

Merge pull request github#2177 from github/fixes/2176-recognize-repos…

…itory-urls

Only auto-fill clone URL for supported link types

Merge pull request github#2122 from github/fix-checks-enterprise-nulls

Fixing Checks GraphQL query on GitHub Enterprise

Merge pull request github#2112 from github/add-comment-missing

Fixing the calculation to determine if a line is available for comment

Merge 858470c into 3729292

Merge pull request github#2027 from github/fixes/draft-appears-after-…

…submit

Fix draft appearing after sucessful submit.