change log4r link to most recent, updated location
fix broken links to README docs in intro
Clarified need to remove existing code in welcome index.

Signed-off-by: Chelsea Macaluso <c.macaluso@modcloth.com>
Clarified removal of public/index.html file

Signed-off-by: Trent Michaels <t.michaels@modcloth.com>
Fixed grammatical error and simplified paragraph concerning controllers.

Signed-off-by: Chelsea Macaluso <c.macaluso@modcloth.com>
Reverting commit regarding public/index.html (no longer in Rails 4.)

This reverts commit f8461f73c77c186ad0aa735fe9877990bffe1990.
Add explanation of :dependent => :restrict

Based on information here: http://api.rubyonrails.org/classes/ActiveRecord/Associations/ClassMethods.html#method-i-has_many
Small Typo
Fix WhereChain docs to mention only not
Remove reference to BugMash. Link hasn't been updated in 4 years.
Fix typo
Routing match `via` option requirement exception message made more explicit
Merge pull request #9561 from inossidabile/explicit_match_via_requirement_exception_message

Routing match `via` option requirement exception message made more explicit
assigning '0.0' to a nullable numeric column does not make it dirty
Merge pull request #9042 from senny/9034_float_0_0_is_always_dirty

Assigning '0.0' to a nullable numeric column does not make it dirty

Example:
    product = Product.create price: 0.0
    product.price = '0.0'
    product.changed? # => false (this used to return true)
    product.changes # => {} (this used to return { price: [0.0, 0.0] })
change useless gsub to tr
Merge pull request #9564 from robertomiranda/useless_gsub

change useless gsub to tr
Remove unused return value, because collecting_queries_for_explain isn't public API.
Merge branch 'master' of github.com:lifo/docrails
Use gsub intead of tr when the to_str is longer than the from_str