This could be related: Could not load file or assembly Microsoft.Data.OData Version=5.2.0.0 error in Azure Cloud Worker Role using Table Storage
Try adding this to your web.config:
<runtime>
<assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
<dependentAssembly>
<assemblyIdentity name="Microsoft.Data.OData" publicKeyToken="31bf3856ad364e35" culture="neutral" />
<bindingRedirect oldVersion="0.0.0.0-5.5.0.0" newVersion="5.5.0.0" />
</dependentAssembly>
</assemblyBinding>
</runtime>