Adjust the unavailable message

Update the message when show info is unavailable.
Adjust build and config settings

Adjust the upload to be similar to elections-2014, where the metadata is part of
a try (and if it fails, continue). Also, update the build path in the config
example.
Install PIL from source
Merge pull request #1 from vprnet/bmc/change-unavailable-copy

Adjust the unavailable message