Fixed reference to System.Web.Http.dll.
Merge branch 'develop'
Updated icons for Xamarin Store.
Fixed LINQ expression parsing of functions with arguments set to a variable.
Revised HttpWebRequest Credentials property assignment due to Silverlight problem.
Lazified some Schema elements.
Rough implementation of async/await with more internal async methods. All tests passed.
Fixed ODataBatch async processing.
Moved IODataClient method implementation from sync to async version.
ODataBatch async improvements.
SchemaProvider refactoring.
Schema refactoring.
Updated IODataClient interface.
Removed Schema property from SchemaProvider.
Further simplified SchemaProvider by moving lazy properties to Schema.
Major redesign of async core. Needs refactoring.
Removed Schema property from IODataClient. Added GetSchema and GetSchemaAsync.
Added test PCL adapter. Minor refactoring.
Added Resolve method to FluentCommand.
ISchema/Schema refactoring.