feat(docs): Use $scope instead of scope
feat(docs): Use $scope instead of scope

To avoid confusion I guess it would be good to keep the examples consistent.
While `scope` in `DialogController` will be the same as `$scope` it brings confusion to the reader.
The fix also includes missing `}` mentioned here:

Here's a working pen: http://codepen.io/anon/pen/ZGWOpZ.

Fixes #2788. Closes #2836.

BurovAndrii/material,mattiLeBlanc/material,jadjoubran/material,JsonChiu/material,imjoeco/material,psaul3/material,Jeremy017/material,taranjeetsapra/material,HipsterZipster/material,hiteshsuthar/material,victorivens05/material,FrankMeyer/material,arush/material,Sravyaksr/material,dlochrie/material,mightyselva/material,nkoterba/material,noamshemesh/material,bOOm-X/material,antoniosejas/material,DevVersion/material,AladdinSonni/material,listenlee/material,imjoeco/material,listenlee/material,Zagorakiss/material-1,JackieWei/material,gkalpak/material,ByJC/material,iksose/material,Teremok/material,DerekLouie/material,zhhb/material,xale/material,zhhb/material,programmersujeet/material,CarmenPopoviciu/material,nkoterba/material,brian-lewis/material,vanslly/material,johanvo18/material,arush/material,NickBolles/material,shyndman/material,udhayam/material,noamshemesh/material,stephen-james/material,philipooo/material,Teremok/material,taranjeetsapra/material,daniel-nagy/material,JayQuerido/material,IRlyDontKnow/material,abhijitsinha89/material,miaotmac/material,JackieWei/material,JonFerrera/material,marpontes/material,willgum/material_03,hesling/material,david-gang/material,Verarxar/material,Frank3K/material,nkoterba/material,johanvo18/material,armst0910/material,1012/material,2947721120/angular-material,valery-barysok/material,jelbourn/material,2947721120/angular-material,gkalpak/material,epelc/material,jelbourn/material,kamilkisiela/material,dkemper01/material,JsonChiu/material,arlowhite/material,lukascivil/material,marduke182/material,tolysz/material,pan-long/material,Bhavinshah5111/material,isaaclyman/material,vanslly/material,izeau/material,57-Wolve/material,2947721120/angular-material,deerawan/material,aanjna/material,marpontes/material,wanmifam/material,Azzurrio/material,hiteshsuthar/material,Patrik-Lundqvist/material,bjfletcher/material,quietshu/material,EladBezalel/material,Arteaga2k/material,BurovAndrii/material,ServiceManagementGroup/material,ashwathgovind/material,johanvo18/material,wmehanna/material,JayQuerido/material,jadjoubran/material,kwypchlo/material,daniel-nagy/material,jeremymwells/material,antoniosejas/material,Zagorakiss/material-1,huoxudong125/material,sscovil/material,weiwei695/material,daniel-nagy/material,willgum/material_03,garmoshka-mo/material,welkinhealth/material,mprentic-harris/material,bjfletcher/material,n1vlac/material,bendroid/material,aikalima/material,welkinhealth/material,BurovAndrii/material,acoreyj/material,bluebirdtech/material,colinskow/material,jelbourn/material,bendroid/material,pan-long/material,hodeyp/material,dalong123/material,ilovett/material,cdriscol/material,ServiceManagementGroup/material,mohislm/material,HarrisCorp/material,epelc/material,weebygames/material,m0g/material,1012/material,davidecavaliere/material,eloytoro/material,nconrad/material,elton0895/material,bendroid/material,Sravyaksr/material,profoundry-us/material,robteix/material,jianwang195823/material,jensenbox/material,dlochrie/material,crisbeto/material,arlowhite/material,sandeeppatidar/material,brunoqc/material,p5150j/material,miguelcobain/material,justingrayston/material,hodeyp/material,garmoshka-mo/material,iksose/material,ashwathgovind/material,valery-barysok/material,barryvdh/material,marekmicek/material,listenlee/material,antoniosejas/material,m0g/material,programmist/material,clshortfuse/material,philipooo/material,DerekLouie/material,gmoothart/material,masterpowers/material,Teremok/material,CarmenPopoviciu/material,keshavos/material,paulflo150/material,barryvdh/material,BernhardRode/material,jianwang195823/material,EladBezalel/material,marekmicek/material,EladBezalel/material,shyndman/material,drrezeau/material,angular/material,david-gang/material,Verarxar/material,mobinni/material,FrankMeyer/material,dalong123/material,asonni/material,Patrik-Lundqvist/material,justingrayston/material,gabimanea/material,BernhardRode/material,Splaktar/material,lukascivil/material,profoundry-us/material,pijey/material,CarmenPopoviciu/material,Kielan/material,mattiLeBlanc/material,cdriscol/material,alfirin/material,angular/material,hiddestokvis/material,acoreyj/material,jensenbox/material,sandeeppatidar/material,Todd-Werelius/material,brunoqc/material,tarnas14/material,Patrik-Lundqvist/material,bOOm-X/material,n1vlac/material,loic/material,vertazzar/material,oostmeijer/material,hitesh97/material,robteix/material,SamDLT/material,arush/material,SagarNaliyapara/material,lukascivil/material,jianwang195823/material,JsonChiu/material,graingert/material,mattiLeBlanc/material,ErinCoughlan/material,j3ski/material,quietshu/material,programmersujeet/material,vurt/material,dreamoftrees/material,HipsterZipster/material,miguelcobain/material,gorcz/material,sovanna/material,flowersinthesand/material,paulflo150/material,willgum/material_03,java02014/material-1,marekmicek/material,hannahhoward/material,victorivens05/material,ardas/material,1012/material,ebulay/material,aikalima/material,Bhavinshah5111/material,sovanna/material,Sagar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