Updated width to be based on view controller size
Updated width to be based on view controller size

https://www.reddit.com/r/swift/comments/38xcl0/open_source_loadingactivity_code_feedback/crzi4z4
goktugyil/EZLoadingActivity,goktugyil/CozyLoadingActivity,goktugyil/EZLoadingActivity,goktugyil/CozyLoadingActivity