Removed several Code Climate Issues
[Settings] fixed data-empty usage within checkboxes
Merge branch 'master' of https://github.com/NodeBB/NodeBB
Merge branch 'master' of https://github.com/NodeBB/NodeBB
Merge branch 'master' of https://github.com/NodeBB/NodeBB
Merge branch 'master' of https://github.com/NodeBB/NodeBB
Merge branch 'master' of https://github.com/NodeBB/NodeBB
fixed #1640
on group destroy, remove it from all groups

previously if a group was destroyed it was left behind in privilege
groups
Merge pull request #1887 from derrg/master

Added ImageMagic to Windows 8 prerequisites
Merge pull request #1873 from frissdiegurke/patch-2

[Settings] fixed data-empty usage within checkboxes
fixed mapping in web inspector
reduced hightlight duration by 2 seconds
Merge branch 'sourcemap-windows'
info
updated vanilla and lavender to latest
possible fix for #1741
Merge branch 'master' of https://github.com/derrg/NodeBB
Merge branch 'master' of https://github.com/NodeBB/NodeBB