Merge pull request #18 from chaohuang/master

minus.com works now
Merge pull request #19 from chaohuang/master

works on .pdf pages now
Merge pull request #20 from chaohuang/master

update manifest version
Flickr uploads set to private
Merge pull request #21 from mendhak/flickrprivate

Flickr uploads set to private (Issue #16)
Merge remote-tracking branch 'upstream/master'
fix the blob issue