Rename View and Pagination Environments to Factory.
Rename environment to factory.
Shadow factories.
Add doc block for deprecation.
Revert "Add doc block for deprecation."

This reverts commit 3a4c90769f40c2e722d6e2e6e590fbdc090afbee.
Revert "Shadow factories."

This reverts commit 488ea6402046b44bea446468034b8b502a96fdd2.
Revert "Rename environment to factory."

This reverts commit 92fb65be50576da59b70e9588b7a565e01d8ea66.
Revert "Rename View and Pagination Environments to Factory."

This reverts commit 8b39745bfb67e306a3e1a8b9536711fe4700c8f7.