Update the filestore documentation for clear
[ci skip]
Add documentation for #clear on certain Store classes
[ci skip
Add documentation for FileStore#increment and #decrement
[ci skip]
Array#to_formatted_s does not call each element's to_s anymore

Array#to_s calls each element's inspect since ruby 1.9
Remove ambiguity with pluralizations and I18n keys used for association restrict_dependent_destroy errors
Using ruby 1.9 syntax [ci skip]
Rack Sendfile is coming as default now
Added Rack::Sendfile in rake about [ci skip]
removes the obsolete private method column_methods_hash [Closes #11406]
make sure scope_chain_items has consistent types
use Relation#merge to combine scope chain items
just push on to the scope chain items. Oops! (thanks @carlosantoniodasilva)
cache the scope chain on the stack and eliminate `i`
cache the klass member of the reflection
decouple the manager class from building join constraints
parent_table is only used internally
Enhancing readability of options for delegate method
Merge branch 'master' of github.com:rails/docrails
Revert "Merge pull request #11120 from awilliams/ar_mysql2_boolean_quoting"

This reverts commit cb1d07e43926bcec95cb8b4a663ca9889173395a, reversing
changes made to 754a373e301d2df0b12a11083405252722bc8366.
Added routing in test for actionpack