Mention the dependency.
Update README.rst
[noticket] Fix #1627 by using /dataset/ instead of /publisher/ when viewing publisher stats page
[1627] The publisher page was mistakenly under /dataset/.
[] Retry GA API requests if they fail. Optimise speed of update_url_stats - improved this slow routine by about 40%. Display prettier progressbar, if installed, now only when using paster. Rename _get_json -> _get_ga_data
[1631] Fixed NoneType error on prod2.
[1631] Improving the GA API request retry.
[#1631] Fix path issues on prod2 - some GA properties prefix the domain to the path and some dont.
[noticket] Minor tidying.
[noticket] Delete GA_Stat before getting new data, as found old data hanging around - not sure why.
[1648] Speed up CSV generation by making single query for download stats
Merge pull request #3 from datagovuk/1648-fix-download-stats-csv

Speed up CSV generation by making single query for download stats
Fix serious issue added in 05e3a0340 - Dataset views on dgu were way too high.
Merge branch 'master' of github.com:datagovuk/ckanext-ga-report
Cope when plotting a graph with no total.
add paster tasks to generate datasets and referrers CSV