Merged r13037 from trunk to 2.5-stable

replace mail options reference URL at configuration.yml.example.

wiki.rubyonrails.org seems dead.

git-svn-id: http://svn.redmine.org/redmine/branches/2.5-stable@13038 e93f8b46-1217-0410-a6f0-8f06a7374b81
Merged r13040 (#16467).

git-svn-id: http://svn.redmine.org/redmine/branches/2.5-stable@13046 e93f8b46-1217-0410-a6f0-8f06a7374b81
Merged r13041 (#16511).

git-svn-id: http://svn.redmine.org/redmine/branches/2.5-stable@13048 e93f8b46-1217-0410-a6f0-8f06a7374b81
Merged r13042 to r13044 (#3177).

git-svn-id: http://svn.redmine.org/redmine/branches/2.5-stable@13049 e93f8b46-1217-0410-a6f0-8f06a7374b81
Merged r13050 from trunk to 2.5-stable (#16532)

Bulgarian translation updated by Ivan Cenov.

git-svn-id: http://svn.redmine.org/redmine/branches/2.5-stable@13051 e93f8b46-1217-0410-a6f0-8f06a7374b81
Merged r13052 (#3177).

git-svn-id: http://svn.redmine.org/redmine/branches/2.5-stable@13053 e93f8b46-1217-0410-a6f0-8f06a7374b81
Merged r12993 from trunk to 2.5-stable

move de.yml "label_link" by alphabetical order.

git-svn-id: http://svn.redmine.org/redmine/branches/2.5-stable@13066 e93f8b46-1217-0410-a6f0-8f06a7374b81
Merged r13065 from trunk to 2.5-stable (#16542)

German Translation updated by Daniel Felix.

git-svn-id: http://svn.redmine.org/redmine/branches/2.5-stable@13067 e93f8b46-1217-0410-a6f0-8f06a7374b81
Merged r13077 from trunk to 2.5-stable (#16545)

Traditional Chinese translation updated by ChunChang Lo.

git-svn-id: http://svn.redmine.org/redmine/branches/2.5-stable@13079 e93f8b46-1217-0410-a6f0-8f06a7374b81
Merged r13080 from trunk to 2.5-stable (#16553, #16566)

French "text_git_repository_note" translation updated by Darth Vader.

git-svn-id: http://svn.redmine.org/redmine/branches/2.5-stable@13085 e93f8b46-1217-0410-a6f0-8f06a7374b81
Merged r13101 from trunk to 2.5-stable (#16711)

fix non-ascii attachment file name get corrupted in IE11.

Contributed by Go MAEDA.

git-svn-id: http://svn.redmine.org/redmine/branches/2.5-stable@13102 e93f8b46-1217-0410-a6f0-8f06a7374b81
Merged r13110 from trunk to 2.5-stable (#16685)

introduce request_store to ensure that the current user doesn't leak across request boundaries.

Contributed by Holger Just.

git-svn-id: http://svn.redmine.org/redmine/branches/2.5-stable@13111 e93f8b46-1217-0410-a6f0-8f06a7374b81
Merged r13112 from trunk to 2.5-stable (#16685)

Gemfile: use double quote for request_store

git-svn-id: http://svn.redmine.org/redmine/branches/2.5-stable@13113 e93f8b46-1217-0410-a6f0-8f06a7374b81
Merged r13117 from trunk to 2.5-stable (#16685)

Gemfile: upgrade mocha version.

git-svn-id: http://svn.redmine.org/redmine/branches/2.5-stable@13118 e93f8b46-1217-0410-a6f0-8f06a7374b81
2.5-stable: revert r13111 and r13113 (#16685)

git-svn-id: http://svn.redmine.org/redmine/branches/2.5-stable@13120 e93f8b46-1217-0410-a6f0-8f06a7374b81
Merged r13130 from trunk to 2.5-stable

Gemfile: update Rails 3.2.18

git-svn-id: http://svn.redmine.org/redmine/branches/2.5-stable@13133 e93f8b46-1217-0410-a6f0-8f06a7374b81
Merge branch '2.5-stable' into oxon