Rename UriPath to Endpoint, more accurately reflecting purpose
Rename IsSigned to RequiresSignature, more accurately reflecting purpose
Make RequestHandler.ConstructEndpoint protected
Construction of query string / post body from parameters happens at latest possible stage, to aid OAuth signing
Remove unused shouldEncode parameter from DictionaryExtensions
Use OAuth library for signing GET requests
Add Accept: application/xml header to every request
PostRequest request body is a string, not a dictionary
Post requests are signed using OAuth library
Remove unused ToQueryStringNoUrlEncode method
Use UrlEncode from OAuth lib
Remove old oauth code
Use correct url encoding method
Merge pull request #116 from mattgray/crenna-oauth-2

Use https://github.com/danielcrenna/oauth to sign requests
Main lib is building.
tests not yet

Merge branch 'master' into async_dotnet45

Conflicts:
	src/SevenDigital.Api.Wrapper.Integration.Tests/Http/GzipHttpClientTests.cs
	src/SevenDigital.Api.Wrapper.Integration.Tests/Http/HttpClientWrapperTests.cs
	src/SevenDigital.Api.Wrapper.Unit.Tests/EndpointResolution/RequestCoordinatorTests.cs
	src/SevenDigital.Api.Wrapper.Unit.Tests/EndpointResolution/RequestHandlers/GetRequestHandlerTests.cs
	src/SevenDigital.Api.Wrapper.Unit.Tests/EndpointResolution/RequestHandlers/PostRequestHandlerTests.cs
	src/SevenDigital.Api.Wrapper.Unit.Tests/FluentAPITests.cs
	src/SevenDigital.Api.Wrapper.Unit.Tests/Http/NameValueExtensionsTests.cs
	src/SevenDigital.Api.Wrapper.Unit.Tests/Http/RequestCoordinatorTests.cs
	src/SevenDigital.Api.Wrapper/EndpointResolution/RequestHandlers/GetRequestHandler.cs
	src/SevenDigital.Api.Wrapper/EndpointResolution/RequestHandlers/PostRequestHandler.cs
	src/SevenDigital.Api.Wrapper/EndpointResolution/RequestHandlers/RequestHandler.cs
	src/SevenDigital.Api.Wrapper/Http/GetRequest.cs
	src/SevenDigital.Api.Wrapper/Http/GzipHttpClient.cs
	src/SevenDigital.Api.Wrapper/Http/HttpClientWrapper.cs
	src/SevenDigital.Api.Wrapper/Http/PostRequest.cs
	src/SevenDigital.Api.Wrapper/Http/RequestData.cs
All building. not tested yet
Must use latest NUnit in this branch, for async