fix for rounding issues on python 2.5/2.6
Merge branch '1.5.x'
fixed indention
Merge branch '1.5.x'
print config errors on console in mapproxy-util export
check if formats are identical before allowing tiled_only access to cache

closes #52
Merge branch '1.5.x'
compare floats with tiny delta in bbox_contains to prevent false negatives
Merge branch '1.5.x'