Sort instance member lists by member, not user age (fixes #750)
bump socialshareprivacy version to 1.5; redirect dependency from pypi to bitbucket fork.
fixup: link to socialshareprivacy repo for mr.developer.
fix tile templates
add flexbox tile CSS
fixup "add flexbox tile CSS"

adds the same hack for tile spacing already used in the fallback
Merge pull request #752 from nidico/feature-750-instance-member-list-sorting

Sort instance member lists by member, not user age (fixes #750)
Merge pull request #757 from xi/feature-flexbox-tiles

flexbox tiles
remove obsolete easy_install dependency on discontinued pylonshq.com url.

fixup: remove commented-out lines
Merge pull request #756 from zerobuzz/fix-setup.cfg

remove obsolete easy_install dependency on discontinued pylonshq.com url.
Merge pull request #755 from zerobuzz/feature-513-socialshareprivacy-2nd

bump socialshareprivacy version to 1.5