Merge pull request #41 from ayshsandu/master

Update UI test + Refactore API jags
refactoring tests
test refactoring
Merge pull request #42 from sameerahj/master

Refactoring tests
format
Merge remote-tracking branch 'upstream/master'
updated ui-extension-test
update org.wso2.es.ui.integration.extension.util
refactore ui-extension-test-cases
update test-ui pom
update copyright
added polling rest andpoint to check the completion of indexing before test starts
updated