Refactor CircleCI configuration

[jjochen]

Closes #249

[codecov]

Codecov Report

Merging #250 into master will not change coverage by %.
The diff coverage is n/a.

@@            Coverage Diff            @@
##            master      #250   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           10        10           
  Lines         1000       918   -82     
=========================================
- Hits          1000       918   -82     

Impacted Files	Coverage Δ
Sources/JJActionItem.swift	100.00% <0.00%> (ø)
Sources/JJCircleView.swift	100.00% <0.00%> (ø)
Sources/AnimationConfiguration.swift	100.00% <0.00%> (ø)
Sources/JJFloatingActionButton.swift	100.00% <0.00%> (ø)
Sources/UIView+JJFloatingActionButton.swift	100.00% <0.00%> (ø)
Sources/JJFloatingActionButton+Animation.swift	100.00% <0.00%> (ø)
Sources/JJFloatingActionButton+Placement.swift	100.00% <0.00%> (ø)

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update d2055cd...2c2fdff. Read the comment docs.