Merge pull request #36 from sameerahj/master

UI integration tests
check bamclient is null before shut down
refactor API responce codes
moved to Extended webdriver
Merge remote-tracking branch 'upstream/master'
remove test
Merge pull request #37 from ayshsandu/master

ESWebDriver + refactor APi response status code
Merge pull request #38 from manojgunayadev/master

check bamclient is null before shut down
Changed driver to ESWebDriver
code improvements