Detect end of download, hide progress bar

DataRefreshService broadcasts once a LocationRefreshTask reports itself
complete
ConfigurationActivity detects complete broadcast, and hides progress bar
ConfigurationActivity also has some extra logging, and removal of
duplicate call to layout
Correction to estimated number of stops

now 20,000 instead of 58,000
Custom parsing code to reduce errors

Instead of simple string.split(",") now uses custom logic to detect
fields that start with quotes (and therefor may contain embedded commas
which caused simple code to fail).  Code now processed all 20k records
without error.