Merged r1505, r1506, r1511, r1512, r1517, r1518, r1524 to 1526 from trunk.
Merged r1503 from trunk.
Merged r1500 from trunk.
Merged r1492 to r1498 from trunk.
Merged r1473, r1476, r1477, r1478, r1481, r1482, r1484 to r1487, r1491 from trunk.
CVS: add support for modules names with spaces (#1434).
Fixed: page has no title when adding a project (#1436).
Fixed: unexpected nil when viewing differences on CVS (#1444).
Fixed: SVG::Graph raises an error when using external stylesheet (#1402).
Slight changes to diff view and style.
