v5 tracking issue (v2 addon)

[nickschot]

trafficstars

• [x] https://github.com/nickschot/ember-mobile-menu/pull/778
• [x] https://github.com/nickschot/ember-mobile-menu/pull/779
• [x] Replace ember-could-get-used-to-this with ember-resources https://github.com/nickschot/ember-mobile-menu/pull/776
• [x] Clean up dependencies & add proper peer dependencies (widen ranges where possible)
• [x] https://github.com/nickschot/ember-mobile-menu/pull/800
• [x] https://github.com/nickschot/ember-mobile-menu/pull/801
• [x] Replace ember-legacy-built-in-components based link-to component with another approach https://github.com/nickschot/ember-mobile-menu/pull/821
• [x] Update documentation regarding new CSS approach https://github.com/nickschot/ember-mobile-menu/pull/822

Nice-to-have:

• [x] Revisit to see if we can still support ember-source 3.28

[nickschot]

First pre-release v5.0.0-0 with the initial v2 conversion and SCSS replacement was released last week.