Merge pull request #21 from iamshital/master

E2E Hot Add/Remove disk - Test Improvement.
Fix typo; Add logs into Junit XML report for failed/aborted cases.
Merge pull request #22 from AbelHu/master

Fix typo; Add logs into Junit XML report for failed/aborted cases.
Added Siege test script and updated related scripts
Added New test scripts for RAID and LVM disk tests
Merge pull request #23 from v-sirebb/master

Added Siege test script and updated related scripts