Update README.md
add xcpretty
Merge pull request #100 from mneorr/xcpretty

add xcpretty
Created radial progress control
Radial progress control tint color changes
ignore xcodebuild.log
exit with xcodebuild status. it's unrelieable to parse xcodebuild error log
Update .travis.yml
Unlink radial control from test target
Separate radial drawing components into selectors
Lighten radial progress display
Remove status bar
Draw package icon at start and end of installation process
Fix scroll view constraints
Fix shrinking package icon
Move segments closer together
Fix issue where cells where incorrectly hiding preview button
Extract showing/hiding of screenshot button into own method
Fix redraw bug
calculate button positions instead of saving them on awakeFromNib