Merge branch 'release-0.6.1'

CHANGELOG.rst

Makefile

data/images/Arrow-Down-32.png

data/images/Arrow-Up-32.png

data/images/Blue-Arrow-Right-32.png

data/images/Dialog-accept.png

data/images/Dialog-error.png

data/images/Emblem-question.png

data/images/black/22/off.png

data/images/black/22/on.png

data/images/black/22/question.png

data/images/black/22/wait.png

data/images/black/32/cloud.png

data/images/black/32/contract.png

data/images/black/32/earth-square.png

data/images/black/32/email-square.png

data/images/black/32/expand.png

data/images/black/32/gear.png

data/images/black/32/off.png

data/images/black/32/on.png