Copyright for 2013 (#12788).
Patch by Daniel Felix.
Replaces the classic_pagination plugin with a simple pagination module.
Verifies that the param is a Hash.
Group events in the activity view (#12542).
Adds an option for displaying the issue description on the issue list (#3447).
Replaces find(:first/:all) calls.
Replaces find(:first) calls.
Replaces find(:all) calls in acts_as_searchable.
Replaces find(:all) calls in classic_pagination.
Restores acts_as_tree instance methods removed in r10919.
Replaces find(:all) calls.
Replaces acts_as_tree #roots class method with a scope.
Fixed that Project.rebuild! sorts projects by id instead of name (#12431).
Make sure that attachments are created in the same order they were selected (#12310).
Make sure that #attachments returns attachments with same timestamp in the order they were created (#12310).
Fixed that watchers receive notifications for private comments without permission (#12286).
Ability to delete a version from a wiki page history (#10852).
Adds a "depth" option to the child_pages macro (#10789).
Support for subforums (#3831).
JQuery in, Prototype/Scriptaculous out (#11445).
Fixes transparency issue.
File handling cleanup.
Use tabs instead of spaces for consistency.
Code cleanup.
Make sure that file handle is freed when an error is raised to prevent access exception on subsequent deletion attempt.
Use 1.8.7 compatible Pathname#to_s alias for Pathname#to_path.
Pathname#to_s
Pathname#to_path
Set temporary path cache variable as a String back again so that TCPDF handles error messages fine.
fix PDF export tables problems (#10688)
Contributed by Jun NAITOH.
Priorities have the same position and can't be reordered (#11098).
Get rid of ActiveSupport::Concern InstanceMethods deprecation warnings.
set_table_name deprecated.
set_table_name and set_locking_column are deprecated.
replace Rails2 "named_scope" to Rails3 "scope" at lib/plugins/acts_as_watchable/lib/acts_as_watchable.rb
Moved Rails plugins required by the core to lib/plugins.
Redmine acts_as_* plugins moved to vendor/plugins.
Search engines now supports pagination.Results are sorted in reverse chronological order.