Added HttpClient NuGet package.
Refactoring to replace HttpWebRequest with HttpClient.
Redesigned implementation to use HttpClient. Test failures on batch processing.
Fixed DELETE in batch requests.
Re-enabled BeforeRequest/AfterResponse interceptors.
Fixed batch processing.
Unit test refactoring.
Renamed OriginalContent to EntryData.
Updated icons for Xamarin Store.
Fixed LINQ expression parsing of functions with arguments set to a variable.
Merged from master.
Lazified some Schema elements.
Added HttpClient NuGet package.
Merged from async.
Merged from HttpClient (HttpRequest cherry-pick).
Merged from HttpClient (replaced HttpWebRequest with HttpClient).
Fixed DELETE in batch requests.
Cherry-picked from httpclient (Re-enabled BeforeRequest/AfterResponse).
Cherry-pick from httpclient (batch processing).
Unit test refactoring.