Watch training_content via guard.
Watch training_content via guard.

This way, training content gets reloaded when it is changed, because Rails restarts.

Resolves #460

KarmaHater/WikiEduDashboard,WikiEducationFoundation/WikiEduDashboard,sejalkhatri/WikiEduDashboard,Wowu/WikiEduDashboard,sejalkhatri/WikiEduDashboard,KarmaHater/WikiEduDashboard,MusikAnimal/WikiEduDashboard,alpha721/WikiEduDashboard,MusikAnimal/WikiEduDashboard,adamwight/WikiEduDashboard,feelfreelinux/WikiEduDashboard,majakomel/WikiEduDashboard,alpha721/WikiEduDashboard,adamwight/WikiEduDashboard,WikiEducationFoundation/WikiEduDashboard,sejalkhatri/WikiEduDashboard,feelfreelinux/WikiEduDashboard,adamwight/WikiEduDashboard,feelfreelinux/WikiEduDashboard,alpha721/WikiEduDashboard,feelfreelinux/WikiEduDashboard,sejalkhatri/WikiEduDashboard,majakomel/WikiEduDashboard,KarmaHater/WikiEduDashboard,majakomel/WikiEduDashboard,ragesoss/WikiEduDashboard,Wowu/WikiEduDashboard,Wowu/WikiEduDashboard,Wowu/WikiEduDashboard,sejalkhatri/WikiEduDashboard,KarmaHater/WikiEduDashboard,ragesoss/WikiEduDashboard,alpha721/WikiEduDashboard,majakomel/WikiEduDashboard,MusikAnimal/WikiEduDashboard,WikiEducationFoundation/WikiEduDashboard,ragesoss/WikiEduDashboard,MusikAnimal/WikiEduDashboard,WikiEducationFoundation/WikiEduDashboard,WikiEducationFoundation/WikiEduDashboard