Deprecates the have, have_at_least, have_at_most matchers
Move the have matcher deprecations to BuiltIn::Have
Explain both options for the have(n).item deprecation on the Changelog
Don't print have matcher deprecations when RSpec::CollectionMatchers::Have is being used
Use the correct method name in the have matcher deprecation
Merge branch '2-99-maintenance' of git://github.com/rspec/rspec-expectations into 2-99-maintenance

Conflicts:
	Changelog.md
Fix wrong merge conflict resolution
Improve consistency in boolean variables values
Stop creating unecessary string objects
Set the expectation_format_method as an ivar instead of a method parameter
Break print_deprecation_message in more methods
Give more context on deprecation messages
Improve the target expression in the deprecation message
Assert that the call_site printed in the deprecation message is right
Stop detecting if rspec-collection_matchers is being used
Merge pull request #309 from hugobarauna/2-99-maintenance

Deprecates the have, have_at_least, have_at_most matchers