Swift 4 support#3

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f2m2rd wants to merge 8 commits intoal7:masterfrom

f2m2:feature/swift-4

Commits on Feb 16, 2016

Commits on Sep 26, 2016

Updated for Swift 2.3
f2m2rd
authored

Commits on Oct 6, 2016

Update ALSpotlightView.podspec
f2m2rd
authored

Commits on Feb 12, 2017

Commits on Nov 21, 2017

Updated for Swift 4
f2m2rd
committed