fix doc introduction wrong notebook link
Add doc to Slider
Let sumamry use new object style
Move Slider to base
Integrate summary to ground_truth, part of #43
Add shrink to get relative pairs result, resolve #52
Make GroundTruthPlotter support to plot direct_match pairs result, close #49
Improve ploter information, close #53
Add GtDirectMatch programming notes
add GtDirectMatch plotter notes
Merge pull request #51 from speed-of-light/amazing

fix doc introduction wrong notebook link