Eager loading made to use relation's in_clause_length instead of host's one (fixes #8474)
Test nested fields with AssociationProxy mockup & fix AssociationProxy support in form helper
evaluate the dependency blocks at the instance level, not class level
s/messqage/message/ in message_encryptor_test.rb
Merge pull request #8859 from tehgeekmeister/master

Fix a typo in a test.
adding start / finish on the instrumenter, adding tests for the class
extract logger and development checks to methods
adding missing requires
fire a notification when the request stops / starts
Remove redundant double quotation marks
add asset pipeline guides section on implementing & registering own engines
Merge pull request #8863 from zires/dev

Remove redundant double quotation marks [ci skip]
Merge pull request #8821 from jamis/master

Evaluate view_cache_dependencies at the instance level

Conflicts:
	actionpack/lib/action_controller/caching.rb
extract PerformanceTest into rails-performance_tests gem
remove performance tests from the default stack
remove the rails guide on performance testing
Merge pull request #8876 from senny/extract_performance_tests

Extract ActionDispatch::PerformanceTest
mention performance test extraction in 4.0 guide
Merge pull request #8878 from senny/add_performance_test_extraction_to_guide

Mention performance test extraction in 4.0 guide
Include jbuilder by default and rely on its scaffold generator to show json API. The default scaffold will now just create HTML if the user actively opts out of jbuilder