Small optimization of computing the canvas distance matrix for a forest. Only need to convert trees in the outer loop to canvas once (not every iteration of the inner loop).
Updated plot dimensions to fit larger labels.
Fixed an omitted argument in utils module and label orientations in the alpha tree plot in geom_tree.
fixed a labeling bug in the component gui tooltip.
Made the component GUI tooltip two lines to increase font size for visibility. Need to do a better job of making plot dimensions relative.
Merge branch 'develop' of https://github.com/CoAxLab/DeBaCl into develop

Conflicts:
	debacl/geom_tree.py
Merge branch 'forest' of https://github.com/CoAxLab/DeBaCl into forest
Merge branch 'develop' into forest