fix "MAX_FILE_SIZE":"undefined\n\n10485760"
Add Options for sharing Tumblr posts on Twitter and Facebook
Merge pull request #156 from syoichi/pr20-option

Add Options for sharing Tumblr posts on Twitter and Facebook
Merge pull request #155 from YungSang/topic3

fix "MAX_FILE_SIZE":"undefined\n\n10485760"
Cleanup Tumblr post logic and make convertToForm async
Remove unnecessary Deferred creation