getBriefHistory now uses TFS Java SDK so that polling does not require any TFS client installation
Fix connection cleanup on TFSTeamProjectCollection
Revert "Fix connection cleanup on TFSTeamProjectCollection"

This reverts commit 69beb4ea9377b295fbf31cefd4d49058143e95e9.
Fix connection cleanup on TFSTeamProjectCollection
Fix connection cleanup on TFSTeamProjectCollection
Remove Commands replaced by TFS SDK
Merge branch 'fixConnectionCleanup'
Merge pull request #21 from albanf/master

Polling now uses TFS Java SDK