doc(readme): update travis build status img
doc(readme): update travis build status img
gergderkson/ng-intl-tel-input,SyntaxStacks/ng-intl-tel-input,RahavLussato/ng-intl-tel-input,nirsmadar/ng-intl-tel-input,nirsmadar/ng-intl-tel-input,RahavLussato/ng-intl-tel-input,vogloblinsky/ng-intl-tel-input,vogloblinsky/ng-intl-tel-input,hodgepodgers/ng-intl-tel-input,bighappyface/ng-intl-tel-input,SyntaxStacks/ng-intl-tel-input,gergderkson/ng-intl-tel-input,bighappyface/ng-intl-tel-input,hodgepodgers/ng-intl-tel-input