Replace buggy angular-busy (in loading[interceptor])?

[benoror]

• https://github.com/cgross/angular-busy
• https://github.com/cgross/angular-busy/issues/70

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• https://gitter.im/alianza-dev/az-promise-show?at=558048811c3ba5ef5bfecfde
  • https://github.com/alianza-dev/az-promise-show/issues/1#event-332507754
• https://gitter.im/formly-js/angular-formly?at=557fb655630346ab3b041955
• https://github.com/alianza-dev/az-promise-show
• https://github.com/alianza-dev/az-promise-show/issues/1

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• http://dailyjs.com/2015/05/11/ngpromisestatus/
• https://github.com/BarakChamo/ng-promise-status