Refactored to make the DataDrivenTestRunner more simple and to reuse the
code.
Merge branch 'master' of https://github.com/EaseTech/easytest-core

# By Anuj Kumar (2) and Anuj kumar (2)
* 'master' of https://github.com/EaseTech/easytest-core:
  Update README.md
  Update README.md
  [maven-release-plugin] prepare for next development iteration
  [maven-release-plugin] prepare release easytest-core-1.2.7