add publish_day field for day truncated publish_date
reduce filterCache autowarmCount to improve delta import time
truncate publish_date to the minute and import publish_day as well
don't generate story_sentence_words
remove segmentation from html_strip
add clear_tags param support to _add_tags
fix #!
strip the extractor results
Enable gearman + gearmand by default now that multiple Media Cloud processes depend on it; clarify the default values in the sample configuration file
don't require a role to get a user token
Merge branch 'master' of github.com:berkmancenter/mediacloud
Merge branch 'master' into json_error_handling