Update README.md
Update README.md

Add missing space
Merge pull request #1039 from WindowsAzure/release-0.7.4

Release 0.7.4
Update ChangeLog.txt
Merge branch 'master' of https://github.com/WindowsAzure/azure-sdk-tools-xplat into dev
Merge pull request #1050 from guangyang/dev

merge from master to dev
add missing server delete recording
Merge pull request #1051 from phvannor/recordtests

add missing server delete recording