Fixes #494 - allows unlimited depth for child subqueries. Salesforce will still limit you at 5, but fflib_QueryFactory won't

[daveespo]

This change is 

[daveespo]

Reviewable status: 0 of 3 files reviewed, 2 unresolved discussions (waiting on @ImJohnMDaniel and @stohn777)

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sfdx-source/apex-common/test/classes/fflib_SObjectSelectorTest.cls line 632 at r1 (raw file):

	}

	private class ContractSelector extends fflib_SObjectSelector{

I'm hopeful that these objects, since they're standard Sales Cloud objects, should be accessible to all orgs (i.e. not hidden behind feature enablement)

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sfdx-source/apex-common/test/classes/fflib_SObjectSelectorTest.cls line 37 at r1 (raw file):

	static testMethod void testGetSObjectName()
	{
		Testfflib_SObjectSelector selector = new Testfflib_SObjectSelector();

These fixture selectors were named so badly that I couldn't resist fixing them up to match the naming convention of the more modern ones