fgm/front__codeschool-angular-2: FGM code for CodeSchool Staying sharp with AngularJS @ level2-directives_scope

Frederic G. MARAND b78b678261 2.5 to 2.9: isolated scope and parent access.		8 lat temu
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index.html	260f96f5e3 2.1 to 2.4: avoid controllerAs by passing to controllers.	8 lat temu
notes.html	b78b678261 2.5 to 2.9: isolated scope and parent access.	8 lat temu
show.html	260f96f5e3 2.1 to 2.4: avoid controllerAs by passing to controllers.	8 lat temu