Fetch Metrics will now use the default value any time a value is 0 - prevents lines of code petition signitures or project count from ever being 0

Author: dmcavoy

lib/cdo/properties.rb

@@ -63,7 +63,7 @@ def fetch_metrics
     'petition_signatures' => 1_774_817,
     'lines_of_code' => 21_238_497_830,
     'project_count' => 35_000_000
-  }.merge((Properties.get(:metrics) || {}).delete_if {|_, v| v.nil?})
+  }.merge((Properties.get(:metrics) || {}).delete_if {|_, v| v.nil? || v == 0})
 end
 
 def fetch_project_count