Gitcoin v.1.28.0

Changelog

20192808master (28/08/2019)

• [closed] Kevin/site perf2 #5000
• [closed] add noscript content for seo #5042
• [closed] Fixes and cleanup and addition #5011
• [closed] stable -> master #5082
• [2][Sprint 17][tech-debt] chore: tech upgrade #5067
• [closed] css: change warning from yellow to orange #5068
• [closed] fixes starting space issue before "Looking to fund" #5065
• [closed] stable -> master #5063
• [closed] change color to yellow #5055
• [closed] activity stream DRY & cleanup #5041