Added an option to be able to relate issues in different projects.

It can be set in Admin -> Settings (default: false).

git-svn-id: http://redmine.rubyforge.org/svn/trunk@620 e93f8b46-1217-0410-a6f0-8f06a7374b81

public/stylesheets/application.css

@@ -566,12 +566,14 @@ margin: 0;
 padding: 5px 0 8px 0;
 padding-left: 180px; /*width of left column containing the label elements*/
 height: 1%;
+clear:both;
 }
 
 .tabular label{
 font-weight: bold;
 float: left;
 margin-left: -180px; /*width of left column*/
+margin-bottom: 10px;
 width: 175px; /*width of labels. Should be smaller than left column to create some right 
 margin*/
 }