Reduced the default previewed devices count to reduce the load on ini…

…tial load

Merge pull request responsively-org#596 from responsively-org/fix/584

fix notification styles

Merge pull request responsively-org#579 from responsively-org/all-con…

…tributors/add-karllabrador

docs: add karllabrador as a contributor

Merge pull request responsively-org#529 from responsively-org/feature…

…/live-css

Live CSS Editor Polish

Merge pull request responsively-org#517 from responsively-org/feature…

…/device-limit-warning

[Feature] device limit warning

App notifications position fixed

Merge pull request responsively-org#473 from responsively-org/hot-fix

Hotfix for app crash

Update responsively.nuspec

fix open collective link

Merge remote-tracking branch 'origin/master' into master

Version bump v0.12.0 🎉