Merge pull request #68 from smk1992/master

Store Time as UTC time
(fix) Don't display invalid src-URL
(fix) Display placeholder avatar if not available
Merge pull request #69 from alexanderGugel/fix/avatars

Fix/avatars
added url to whitelist for iOS
add logo, change color of top bars, reroute signout to signin
give fastpass changed error messages to bottom of page and made red
updated design
changed location icons to locate icons
change loading icon
updated icons
Merge pull request #70 from jamesyothers/master

UI and design updates
Add about page
Merge pull request #71 from joshWyatt/master

Add about page
(refact) Use moment for getting the current time
Merge pull request #72 from alexanderGugel/refact/filter

(refact) Use moment for getting the current time
(fix) Show link to social profile
Merge pull request #73 from alexanderGugel/fix/profile

(fix) Show link to social profile
Fix Time Submission for give pass