fix favicon for Opera (#13687)

Contributed by Filou Centrinov.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@11711 e93f8b46-1217-0410-a6f0-8f06a7374b81
remove redundant variable from config/initializers/00-core_plugins.rb

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@11712 e93f8b46-1217-0410-a6f0-8f06a7374b81
code layout clean up issues_helper_test.rb

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@11713 e93f8b46-1217-0410-a6f0-8f06a7374b81
remove redundant 'IssuesHelper#' from issues_helper_test context

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@11714 e93f8b46-1217-0410-a6f0-8f06a7374b81
remove trailing white-space from app/models/role.rb

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@11715 e93f8b46-1217-0410-a6f0-8f06a7374b81
code layout clean up test/unit/repository_subversion_test.rb

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@11716 e93f8b46-1217-0410-a6f0-8f06a7374b81
add unit tests of subversion url validation

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@11717 e93f8b46-1217-0410-a6f0-8f06a7374b81
stricter asserting of subversion url validation test

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@11718 e93f8b46-1217-0410-a6f0-8f06a7374b81
extend mail header test to text mail (#13482)

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@11719 e93f8b46-1217-0410-a6f0-8f06a7374b81
add mail footer test (#13482)

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@11720 e93f8b46-1217-0410-a6f0-8f06a7374b81
not add empty header/footer to notification emails (#13482)

Contributed by Max Horn.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@11721 e93f8b46-1217-0410-a6f0-8f06a7374b81
fix test name (#13482)

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@11722 e93f8b46-1217-0410-a6f0-8f06a7374b81
make height of "Commits per author" graph flexible (#1983, #13486)

Contributed by Max Horn.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@11723 e93f8b46-1217-0410-a6f0-8f06a7374b81
Merge remote-tracking branch 'upstream/master'