Bump to rc2.
Bump to rc2.

rnixx/kivy,akshayaurora/kivy,rnixx/kivy,matham/kivy,matham/kivy,inclement/kivy,kivy/kivy,akshayaurora/kivy,rnixx/kivy,kivy/kivy,akshayaurora/kivy,inclement/kivy,inclement/kivy,matham/kivy,kivy/kivy,matham/kivy