Replace explicit for-loops by faster enumeration methods.

[#3158 state:committed]

The limit method limits the number of bytes in a string. Useful when the
storage space of the string is limited, for instance in a database column
definition.

Sharpen up the implementation of translate offset.

[#3192 state:committed]

Pass config.generators options along when RAILS_GENERATORS is set and show --force-plural message just once.
Signed-off-by: NJeremy Kemper <jeremy@bitsweat.net>

Remove --freeze (since Rails will come bundled in all new apps) and update gem action to change Gemfile instead of config.environment.
Signed-off-by: NJeremy Kemper <jeremy@bitsweat.net>

Signed-off-by: NJeremy Kemper <jeremy@bitsweat.net>

Avoid duplicated names on help description and show proper error message if trying to load a Rails 2.x generator.
Signed-off-by: NJeremy Kemper <jeremy@bitsweat.net>

Signed-off-by: NEngine Yard <engineyard@Engine-Yards-MacBook-Pro.local>

[#597 state:committed]
Signed-off-by: NJeremy Kemper <jeremy@bitsweat.net>

This reverts commit a288b74f.

Extracted localized_cache.rb from ActionController, added it to AbstractController and made ActionMailer use it.