Add Travis CI badge on README
Add Travis CI badge on README

Ink/filepicker-rails,SchoolKeep/filepicker-rails,munirent/filepicker-rails,Ink/filepicker-rails,Ink/filepicker-rails,munirent/filepicker-rails,SchoolKeep/filepicker-rails,munirent/filepicker-rails,SchoolKeep/filepicker-rails