Disabled broken code

The git error dialog stuff was causing compilation errors. This was
commented out in all places it was used
Merge branch 'master' of github.com:AnthonyReid99/GitVisualizationTool
Revert "Merge branch 'master' of github.com:AnthonyReid99/GitVisualizationTool"

This reverts commit acceb81ccb4ef2f172aac4f32c47d33dda0c0db0, reversing
changes made to 82357a2c9a3a7a2722b465e162448b69f1a79ee8.
fixing my shit
improved selection handling
tidying things up
Merge branch 'master' of https://github.com/AnthonyReid99/GitVisualizationTool
Merge branch 'master' into mauraUI