Make code review feature usable

implement branch history for folders

Code Review after tasks in TFS completed

TFS code review should not require a new code review to be started when code that is already under review is changed based on review comment

assign code review to a TFS group

Update work items on commit for git

Allow for gitflow branching model

Allow the ability to prove that a code review was done for a task

Allow organizing/grouping git repositories in a team project

Support pull requests from different repositories