[MPI] bugfixes

- MAGETWO-63042: Make price error aggregator messages more detailed

[EPAM] Added default price field to CatalogProductSimple fixture and updated date source to use timezone

- Copyright is updated.

[East] Bugfixes

- Copyright is updated.

- Changed copyright year

- Changed copyright year

# Conflicts:
#	app/code/Magento/CatalogInventory/Block/Plugin/ProductView.php
#	app/code/Magento/CatalogInventory/Test/Unit/Block/Plugin/ProductViewTest.php
#	app/code/Magento/CatalogInventory/view/adminhtml/ui_component/product_form.xml
#	app/code/Magento/Checkout/Model/Cart.php
#	app/code/Magento/Sales/Setup/InstallSchema.php
#	app/code/Magento/Sales/Setup/UpgradeSchema.php
#	app/code/Magento/Sales/etc/module.xml
#	app/code/Magento/Shipping/Model/Shipping.php
#	app/code/Magento/Vault/Model/PaymentTokenRepository.php
#	dev/tests/functional/tests/app/Magento/Checkout/Test/Constraint/AssertCancelSuccessMessageInShoppingCart.php
#	dev/tests/integration/testsuite/Magento/EncryptionKey/Model/ResourceModel/Key/ChangeTest.php
#	dev/tests/integration/testsuite/Magento/Vault/Model/PaymentTokenRepositoryTest.php

- Added use_default_price field to CatalogProductSimple fixture
- Added use_default_price field to product form
- Modified LiselectstoreElement to work with context
- Modified date data source to work with magento timezone
- Added magento_timezone environment variable to phpunit.xml.dist
- Added price scope setting to the config data repository

Merge pull request #726 from magento-fearless-kiwis/FearlessKiwis-MAGETWO-59785-IncorrectUrls-in-sitemap

Fearless kiwis magetwo 59785 incorrect urls in sitemap

* develop: (147 commits)
  MAGETWO-62855: Copyright Year Update 2017
  MAGETWO-62855: Copyright Year Update 2017
  MAGETWO-62855: Copyright Year Update 2017
  MAGETWO-62855: Copyright Year Update 2017
  MAGETWO-62855: Copyright Year Update 2017
  MAGETWO-62855: Copyright Year Update 2017
  MAGETWO-62850: API for price update: Special price
  MAGETWO-62902: Bundle and custom options of type file not converted
  MAGETWO-62134: Create data converter that can process nested serialized data
  MAGETWO-62134: Create data converter that can process nested serialized data
  MAGETWO-62134: Create data converter that can process nested serialized data
  MAGETWO-62134: Create data converter that can process nested serialized data
  MAGETWO-62134: Create data converter that can process nested serialized data
  MAGETWO-62253: Refactor code to remove unserialize
  MAGETWO-62134: Create data converter that can process nested serialized data
...

Fixed issue:
- MAGETWO-62855: Copyright Year Update 2017

# Conflicts:
#	app/code/Magento/Catalog/Model/Product/Price/TierPriceValidator.php
#	app/code/Magento/Catalog/Test/Unit/Model/Product/Price/TierPriceValidatorTest.php

Task:
- MAGETWO-62850: API for price update: Special price

--fix ModuleDbChanged test

--fix ModuleDbChanged test

--fix ModuleDbChanged test

Fixed issue:

- MAGETWO-60420 Remove uses of serialize/unserialize in \Magento\Backend\Model\Menu\Config

* develop:
  MAGETWO-62919: Update the year in the copyright
  MAGETWO-62486: Refactor Layout to store data from object only and restore object
  MAGETWO-62486: Refactor Layout to store data from object only and restore object
  MAGETWO-62486: Refactor Layout to store data from object only and restore object
  MAGETWO-62514: Remove uses of serialize/unserialize in \Magento\Framework\App\PageCache\Kernel
  MAGETWO-62486: Refactor Layout to store data from object only and restore object
  MAGETWO-62514: Remove uses of serialize/unserialize in \Magento\Framework\App\PageCache\Kernel
  MAGETWO-62514: Remove uses of serialize/unserialize in \Magento\Framework\App\PageCache\Kernel
  MAGETWO-62514: Remove uses of serialize/unserialize in \Magento\Framework\App\PageCache\Kernel
  MAGETWO-62514: Remove uses of serialize/unserialize in \Magento\Framework\App\PageCache\Kernel
  MAGETWO-62514: Remove uses of serialize/unserialize in \Mag...