Allow wrapping of comment text so that the width doesn't overlap the sidebar while using multiple repositories.
Some code cleanup also.
git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@8850 e93f8b46-1217-0410-a6f0-8f06a7374b81
"Branch" is not a common concept in the SCMs.
Mercurial "branch" has three terms.
* named branch
* unnamed branch (multiple heads)
* big-picture branch (cloning repository)
Git "branch" is a reference to a specific revision.
It is popular that Mercurial GUI shows all revisions on the top page.
git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@8779 e93f8b46-1217-0410-a6f0-8f06a7374b81