Trying to give way for multi browser testing from the same class.
Have some issues in this commit.
Reports are successfully generated
Created a new Bean to pass the Browser Settings as another option while extending/initializing the StafDriver
Adding BrowserSettings Bean
Added multiple options from user side to trigger different browser drivers
Merge pull request #9 from asgunasekaran/feature/STAF_v2__JDK1.8

Feature/staf v2  jdk1.8