Update dependencies and circleci configuration

[jjochen]

No description provided.

[codecov]

Codecov Report

Merging #148 into master will decrease coverage by 1.04%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master     #148      +/-   ##
==========================================
- Coverage     100%   98.96%   -1.04%     
==========================================
  Files          10       10              
  Lines         819      869      +50     
==========================================
+ Hits          819      860      +41     
- Misses          0        9       +9

Impacted Files	Coverage Δ
Sources/AnimationConfiguration.swift	100% <100%> (ø)	⬆️
Sources/JJFloatingActionButton+Placement.swift	100% <100%> (ø)	⬆️
Sources/JJCircleView.swift	93.02% <0%> (-6.98%)	⬇️
Sources/JJActionItem.swift	97.62% <0%> (-2.38%)	⬇️
Sources/JJFloatingActionButton.swift	98.18% <0%> (-1.82%)	⬇️

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[jjochen]

Xcode code coverage does not report Swift init coverage: http://www.openradar.me/40734694