Add XmlSchemaClassGenerator
Download and generate classes for all APIs
Add Search resource
Add link and video stream attachment methods
Make Publish resource use PublishChannel (fixes #5)
Use XmlSchemaClassGenerator from NuGet
Move ImportExport resources into subfolder
Add search tests
Add XML comments to search classes
Add OAuth authentication
Update README.md
Merge remote-tracking branch 'remotes/origin/mganss-test' into develop

Conflicts:
	IS24RestApi.Tests/AttachmentTests.cs
	IS24RestApi.Tests/IS24RestApi.Tests.csproj
	IS24RestApi.Tests/RealEstateTests.cs
	IS24RestApi.Tests/packages.config
	IS24RestApi/AttachmentResource.cs
	IS24RestApi/IPublishResource.cs
	IS24RestApi/IS24Connection.cs
	IS24RestApi/IS24RestApi.csproj
	IS24RestApi/ImportExport/ContactResource.cs
	IS24RestApi/ImportExport/IAttachmentResource.cs
	IS24RestApi/ImportExport/PublishChannelResource.cs
	IS24RestApi/ImportExport/RealEstateResource.cs
	IS24RestApi/PublishResource.cs
	IS24RestApi/Types.generated.cs
	IS24RestApi/packages.config
	IS24RestApi/xsd/common/common-1.0.xsd
	SampleConsole/Program.cs
	SampleConsole/SampleConsole.csproj
	SampleConsole/packages.config
Update XSDs
Update XSDs
Update NuGet packages, xsd files, min-max xml files
Update XSDs, min-max XMLs
Add Contact DELETE
Update links to IS24 documentation
Update NuGet packages
Update XSD and XML files
Add external contact id to request when updating and id is null
Use usenewenergysourceenev2014values=true when creating, updating, getting RealEstate objects
Add support for unpublishing lists of RealEstate objects
Add RealEstateProjects, OnTopPlacements
Add workaround for RestSharp OAuth bug
Add some convenience methods for real estate projects
Add a test
Add demo code to SampleConsole/Program.cs for OnTopPlacements and RealEstateProjects
Update xsds
Update NuGet packages
Make call to OnTop GetAsync return only single object
Merge remote-tracking branch 'remotes/origin/develop'

Conflicts:
	IS24RestApi.Tests/HttpStub.cs
	IS24RestApi.Tests/IS24RestApi.Tests.csproj
	IS24RestApi.Tests/packages.config
	IS24RestApi/IS24RestApi.csproj
	IS24RestApi/Types.extra.cs
	IS24RestApi/Types.generated.cs
	SampleConsole/Program.cs
Set version to 2.0