TH, by mistake or not, favourited Variety's tweet for this news.
http://deadline.com/2014/09/gots-emilia-clarke-hunger-games-sam-claflin-to-star-in-mgms-me-before-you-827768/

EXCLUSIVE: MGM is negotiating with Emilia Clarke and Sam Claflin to star in the Thea Sharrock-directed Me Before You, the adaptation of the Jojo Moyes best-selling novel. Karen Rosenfelt is producing Sharrock’s feature debut. MGM is partnered with New Line and Warner Bros, which has dated the movie for August, 2015 release.
[...]
There was a lot of competition between young actors for this male lead, and he beat out a lot of actors to get it.

No 'Me Before You' for TH then, at least not as lead.