changed wordcloud two have two radio buttons: frequency and tf/idf

customize your wordcloud by choosing tf or tf-idf
added zoom to author network and changed author names to stay purple after search
Merge pull request #107 from aholachek/wordcloud_customize

added slider to wordcloud
Merge pull request #114 from lbjay/author_network

added zoom to author network and changed author names to stay purple aft...
add list_type-specific sort to query params if not present; fixes #522
Merge pull request #115 from lbjay/export-sorting

add list_type-specific sort to query params if not present; fixes #522
added zoom to author network and changed author names to stay purple after search

fixed zoom out
improved user feedback form captures wsgi environment, cookie id, referring url
Merge pull request #116 from aholachek/author_network

small change
updated test
Merge pull request #117 from lbjay/trac-527

improved user feedback form captures wsgi environment, cookie id, referr...
few additions to gitignore
fixed bigquery problem by renaming textarea as bigquerydata
Merge pull request #118 from rahuldave/master

fixed bigquery problem by renaming textarea as bigquerydata
fixes #532: export to classic not obeying user provided record count