update to swift2#2

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fscz wants to merge 6 commits intolohmander:masterfrom

Commits on Oct 7, 2015

update to swift2
Fabian Schuetz
committed
udpate to swift2
Fabian Schuetz
committed

Commits on Apr 10, 2016

switched layouting from autolayout to manual computation
fscz
committed
made appearance configurable on per-toast basis
fscz
committed
podspec to new layouting
fscz
committed
set podspec to head
fscz
committed