evolve: revision graph

graph

less more | rev 3637: (0) -3000 -1000 -300 -100 -30 -10 -3 +3 +10 +30 +100 +300 +1000 +3000 tip

tests: add test about handling phase-divergent merges
Wed, 28 Mar 2018 17:13:08 +0530, by Pulkit Goyal
evolve: show a message when evolution leads to no changes to commit
Wed, 28 Mar 2018 14:11:13 +0530, by Pulkit Goyal
evolve: pass the instability category to relocate() and _finalizerelocate()
Wed, 28 Mar 2018 13:48:34 +0530, by Pulkit Goyal

less more | rev 3637: (0) -3000 -1000 -300 -100 -30 -10 -3 +3 +10 +30 +100 +300 +1000 +3000 tip