remove Enumerable#each_with_object again

it come back occasionally in 367741ef

Delete unnecessary line that was necessary before I changed the code and it became no longer necessary.

This reverts commit 4d20de8a.

Conflicts:

	activesupport/CHANGELOG.md
	activesupport/lib/active_support/core_ext/enumerable.rb
	activesupport/test/core_ext/enumerable_test.rb

deprecate Array#uniq_by and Array#uniq_by!

no more need to make Time#to_date and Time#to_datetime public

This reverts commit f8e484d0, reversing
changes made to fa5adfb1.

Reason: broke the postgres tests.

Fix a fixtures test case with table prefix/suffix

they are public in actual 1.9 ruby version (tested at least in 1.9.2-p180)

Make sure the table name of a model is reset in a test case after assigning ActiveRecord::Base.table_name_prefix and ActiveRecord::Base.table_name_suffix.  This was somebody else's test case, so an independent opinion on the change can be helpful.

remove AS whiny nil extension and deprecate config.whiny_nils

remove Proces.daemon from core_ext

added failing tests for has_many, has_one and belongs_to associations wi...

added failing tests for has_many, has_one and belongs_to associations with strict mass assignment sanitizer, fixed build_record to not merge creation_attributes, removed failing nested attributes tests (that feature was broken anyway) #4051

raises an ArgumentError on TemplateRenderer#determine_template

remove Enumerable#each_with_object from core_ext as it is present in ruby 1.9