added travis badge in readme
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Hunghbm/cucumber-boilerplate-package,dandv/cucumber-boilerplate,webdriverio/cucumber-boilerplate,jjanssen/cucumber-boilerplate,Marketionist/cucumber-boilerplate,Hunghbm/cucumber-boilerplate-package,jjanssen/cucumber-boilerplate,webdriverio/cucumber-boilerplate,Marketionist/cucumber-boilerplate,posabsolute/cucumber-boilerplate,webdriverio/cucumber-boilerplate