Justin Silverman
----------------
+ `geom_balance`
	- <https://github.com/GuangchuangYu/ggtree/pull/64>

JustGitting
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+ 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>