tvdb.py: When there's a next episode date, provide a time until in the return string.
Renamed first_aired variable to episode_air_date in tvdb plugin.
Re-added support for twitter hashtag searches.
plugins/tag: if there are too many tags to display, remove some of them
plugins/seen: don't use LIKE (SQL wildcards confuse people), compare lowercase nicks instead
plugins/google: use custom search API instead of (deprecated) AJAX api
Merge pull request #83 from Atheuz/development

tvdb.py: When there's a next episode date, provide a time until in the return string.
Merge pull request #84 from axisofentropy/master

Re-added support for twitter hashtag searches.
plugins/twitter: pick a random search result for hashtags
plugins/twitter: unescape html entities