fix the tfsdecorator so it works with VSTS

fix bug in webclient that was causing token-based auth credentials to be forgotten

update the readme

removed stray comment

enhanced database replace method and added a test for it

implement a method to summarize a kanban model

add forgotten return statement before callback

make the tfsextractor write the kanban model to a file AND to the database

initial commit of existing codebase

Initial commit