set version number for first release candidate
update cheshire3 requirement specification
improve command-line UI consistency
add config for Travis continuous integration
have Travis CI update `setuptools` first
don't build `archiveshub` with `pip` on Travis CI
add build status and update release date in README
update Apache config for uWSGI to full VirtualHost config
add config for uWSGI emperor
improve uWSGI vassal config when not run inside virtualenv

e.g. when emperor is run as root
allow for new-style `unitid@label` values

Take account of potential for "Former Reference" and "former"
remove GA tracking of .xml and .txt files

In response to Mantis issue 772
add recid param to results brief description link

Links now begin:

    /search/summary.html?recid=gbxxx-...

Allows for improved statistics gathering from analytics packages.
bumped release candidate number
tweak uWSGI emperor configuration
bumped release candidate number
truncate search filters/facets

As per Mantis issue 794
improve caching of search contributor list
downgrade log unchanged data: WARNING -> INFO
catch missing JSON email in detailed display