Gitcoin v.1.15.0

Changelog

20190508master (08/05/2019)

• [closed] grant/detail : rebirth #4366
• [closed] Fix: #3762 #4288
• [closed] Fixes to check active data #4355
• [closed] Remove button class disabled and css for disabled button #4337
• [closed] Add User Directory to Top Nav #4360
• [closed] Fe filters users #4311