Update support for Tumblr
Update XPath for log in check in Tumblr Model
Update support for Tumblr Extractor
Update Link2Text in Tumblr Extractor
Fix Tumblr.favor for trimReblogInfo
Fix getTumblelogs for avoiding getting main account
Reduce requests for Tumblr
Cache form_key and channel_id in Tumblr Extractor
Retry request for changed account and bugfixes
Merge pull request #153 from syoichi/pr18-tumblr

Update support for Tumblr