Add support for Cosmos DB emulator

[SamHard]

There's currently no way to connect a local Cosmos DB emulator because GraphClient does not accept values for Port and UseSSL parameters. For the local emulator, we need to set Port to 8901 (it's hard-coded to 443) and UseSSL to false (it's hard-coded to true).

See this page for more info on using the Gremlin API with the Cosmos DB emulator: https://docs.microsoft.com/en-us/azure/cosmos-db/local-emulator#gremlin-api

[BenjaBobs]

Does the emulator support Gremlin.Net? I thought it didn't yet.

[jpamp]

According to https://feedback.azure.com/forums/263030-azure-cosmos-db/suggestions/19636633-support-gremlin-apis-on-cosmos-db-emulator it does now.

[BenjaBobs]

Awesome! That paves the way for integration testing!

[SebastianAtWork]

i see that you already implemented this, can you please make a new nuget version?