Updated README to version 0.3.5

Bug fix: it was not possible to change an already set TFS URL

Fixes a bug that prevents all predecessor/successors to appear after

running flat TFS queries

Implemented DependencyItem: Comment. On the TFSService, this will be …

…(as for now) the Sprint/Iteration

Color scheme

Allowed invocation of the tool via command line

Added a control for allowing the user selecting Graphviz path

Improved how the nodes look like

Update issue templates

First release