Squashed 'core/' changes from e45b6b5..eedeabb


git-subtree-dir: core
git-subtree-split: eedeabb340cc038e27758663503da5d161ca864f
Merge commit 'a1bc8188f333d280c5c08e3ea72d22c338ab0fbe' into develop
Squashed 'core/' changes from eedeabb..c4c5db7

c4c5db7 Added postQueryCallback and PluginOptionConverter

git-subtree-dir: core
git-subtree-split: c4c5db7e4d81693a942a88db11a176efcfd0efcc
Merge commit 'ba7ee5b2a45c402cce2909083e403809a51d3e8c' into develop
Squashed 'core/' changes from c4c5db7..187fa1d

187fa1d Add option value to postQueryCallback

git-subtree-dir: core
git-subtree-split: 187fa1d829ba5dd6acbcc9d4c82d6714e95a7ffb
Merge commit '7180b0dd17d2f082a05fa4929ec5111511ddde6e' into develop
First working version of the dropbox plugin

The dropbox plugin uses syncany/syncany#240 to make an oauth request for
an access token. It uses the official dropbox API.