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