Upgrade Sinatra example to work with rack-test 0.3.0 and aslakhellesoy-webrat 0.4.4.1
Upgrade Sinatra example to work with rack-test 0.3.0 and aslakhellesoy-webrat 0.4.4.1

shivashankar2020/mands,cucumber/cucumber-ruby,cucumber/cucumber-ruby,dg-ratiodata/cucumber-ruby,dchelimsky/cucumber,shivashankar2020/mands,danascheider/cucumber-ruby,jarib/cucumber,dg-ratiodata/cucumber-ruby,sideci-sample/sideci-sample-cucumber,CW5000/CWFDerpy,twalpole/cucumber,marxarelli/cucumber,CW5000/CWFDerpy,brasmusson/cucumber,danascheider/cucumber-ruby,cucumber/cucumber-ruby,martinma4/cucumber-ruby,twalpole/cucumber,brasmusson/cucumber,jarib/cucumber,jasonkarns/cucumber-ruby,marxarelli/cucumber,shadow000902/cucumber-ruby,jasonkarns/cucumber-ruby,tom025/cucumber,richarda/cucumber,martinma4/cucumber-ruby,phoebeclarke/cucumber-ruby,jasonkarns/cucumber-ruby,phoebeclarke/cucumber-ruby,richarda/cucumber,shadow000902/cucumber-ruby,tom025/cucumber,enkessler/cucumber-ruby,nfredrik/cucumber-ruby,sideci-sample/sideci-sample-cucumber,enkessler/cucumber-ruby,tom025/cucumber,shivashankar2020/mands,dchelimsky/cucumber,jarib/cucumber,dg-ratiodata/cucumber-ruby,enkessler/cucumber-ruby,nfredrik/cucumber-ruby