Justin Silverman
----------------
+ `geom_balance`
- <https://github.com/GuangchuangYu/ggtree/pull/64>
JustGitting
----------------
+ Annotation functions (`geom_hilight_encircle` & `geom_cladelabel2`) for
unrooted layout
- <https://github.com/GuangchuangYu/ggtree/pull/152>
+ Add daylight layout for unrooted trees
- <https://github.com/GuangchuangYu/ggtree/pull/124>