Revert "update readme.md"

This reverts commit 7a0f443eefda5590ec8d521d74ab61c1aa8e285a.
Merge pull request #1040 from WindowsAzure/release

February 2013 Release (0.6.10)
Merge branch 'master' of https://github.com/WindowsAzure/azure-sdk-tools

Conflicts:
	README.md
Merge branch 'release-0.6.11' of https://github.com/WindowsAzure/azure-sdk-tools into release-0.6.11
update changelog and readme
Merge pull request #1164 from guangyang/release-0.6.11

Update README.md and ChangeLog.txt for 0.6.11