updated sdk version to 17.4

[nagesh-dixit]

No description provided.

[nagesh-dixit]

I made of lot of changes but I am not sure if all of them are acceptable in the master branch. Please, share your thoughts and I will update the master branch accordingly. Major changes are:

1. Updated version to 17.5
2. Using Lambdas more
3. Exceptionally in most calls
4. Replaced RetryMiddleware with withPolicies because it's deprecated
5. Using channelKey instead of Channel object in Checkout tasks
6. Adding and displaying items in the Merge task
7. Separated ME and Stores tasks.
8. Added expectation that ProductSelection be created and products added in the MC before running the task to add the ProductSelection to the Store.

[jenschude]

Suggested change

	CustomerSignin customerSignin = CustomerSigninBuilder.of()
	CustomerSignin customerSignin = CustomerSignin.builder()

[jenschude]

Suggested change

	.anonymousCart(CartResourceIdentifierBuilder.of()
	.anonymousCart(CartResourceIdentifier.builder()

[jenschude]

Suggested change

	.addresses(
	AddressBuilder.of()
	.key(customerKey + "-default-address")
	.addresses(
	AddressDraft.builder()
	.key(customerKey + "-default-address")

or

Suggested change

	.addresses(
	AddressBuilder.of()
	.key(customerKey + "-default-address")
	.plusAddresses(
	addressBuilder -> addressBuilder
	.key(customerKey + "-default-address")

[gitstream-cm]

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[gitstream-cm]

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build.gradle

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src/main/java/handson/Task02a_CREATE.java

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src/main/java/handson/Task02b_UPDATE_Group.java

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src/main/java/handson/Task03b_IMPORT_API.java

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src/main/java/handson/Task03c_SYNC_PROJECTS.java

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src/main/java/handson/Task04a_STATEMACHINE.java

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src/main/java/handson/Task06a_SEARCH.java

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src/main/java/handson/Task07a_CUSTOMTYPES.java

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src/main/java/handson/Task07b_CUSTOMOBJECTS.java

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src/main/java/handson/Task07c_APIEXTENSION.java

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src/main/java/handson/Task08a_SUBSCRIPTION.java

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src/main/java/handson/Task09a_ERROR_HANDLING.java

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src/main/java/handson/Task09b_SPHERECLIENT_LOGGING.java

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src/main/java/handson/impl/ApiPrefixHelper.java

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src/main/java/handson/impl/CartService.java

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src/main/java/handson/impl/ClientService.java

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src/main/java/handson/impl/CustomerService.java

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src/main/java/handson/impl/ImportService.java

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src/main/java/handson/impl/OrderService.java

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src/main/java/handson/impl/PaymentService.java

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src/main/java/handson/impl/ProductSelectionService.java

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src/main/java/handson/impl/StateMachineService.java

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src/main/resources/dev.properties.dist

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src/main/resources/logback.xml

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