Fixed issues with postTweet: withImageData: inReplyTo:

Remove inReplyTo non-nil check and changed the media[] param to
media_data[]. This also fixed issues with a few other methods that
called through to postTweet: withImageData: inReplyTo:. Removed some
.DS_Store files. Special thanks to oseparovic.
Update Readme and version info

Nuff said
updated sarcastic quotes to be a little less misleading
merged back with fhsjaagshs branch