Squashed 'core/' changes from a9b8ca5..67e458c

67e458c Merge branch 'release/0.1.7-alpha' into develop
7216384 Bump readme and changelog for 0.1.7-alpha
5cb0195 Remove unnecessary sysout
fd15d66 Fix S3 removal failed
d71b642 Downgrade back to reflections 0.9.8, fix some tests
ba96c64 Remove debug output

git-subtree-dir: core
git-subtree-split: 67e458ce633a45d850c9165ac8b1444bf6e65fb7
Merge commit '4081984549e14168a0690b92c1a83318f251152a' into develop
Fixes cross dependency issue with webdav; syncany/syncany#162