Migration docs: Mention $grid-breakpoints and $container-max-widths by name
Migration docs: Mention $grid-breakpoints and $container-max-widths by name

[skip sauce]
tibo66/bootstrap,realcrowd/bootstrap,realcrowd/bootstrap,fschumann1211/bootstrap,NCARB/bootstrap,Hightrack/bootstrap,afuno/bootstrap,davethegr8/bootstrap,tibo66/bootstrap,Scoutski/bootstrap,afuno/bootstrap,supergibbs/bootstrap,inway/bootstrap,davethegr8/bootstrap,supergibbs/bootstrap,tibo66/bootstrap,edanbarak/bootstrap,sealocal/bootstrap,tibo66/bootstrap,coliff/bootstrap,n054/bootstrap,gijsbotje/bootstrap,zalog/bootstrap,nice-fungal/bootstrap,slavanga/bootstrap,GerHobbelt/bootstrap,peterblazejewicz/bootstrap,NCARB/bootstrap,wesamco/bootstrap-rtl,Lyricalz/bootstrap,jipexu/bootstrap,GerHobbelt/bootstrap,Hemphill/bootstrap-docs,GerHobbelt/bootstrap,JumpLinkNetwork/bootstrap-backward,Hightrack/bootstrap,yuyokk/bootstrap,seanwu99/bootstrap,9-chirno/chirno,Lyricalz/bootstrap,kvlsrg/bootstrap,lemuelbarango/bootstrap,nice-fungal/bootstrap,igoynawamreh/bootstrap,johnajacob/bootstrap,sealocal/bootstrap,david-schopf/bootstrap,stanwmusic/bootstrap,Lyricalz/bootstrap,n054/bootstrap,bardiharborow/bootstrap,johnajacob/bootstrap,lipis/bootstrap,joblocal/bootstrap,frostbitten/bootstrap,kvlsrg/bootstrap,xt0rted/bootstrap,nice-fungal/bootstrap,zalog/bootstrap,m5o/bootstrap,seanwu99/bootstrap,IdanCo/bootstrap,peterblazejewicz/bootstrap,tagliala/bootstrap,sealocal/bootstrap,yuyokk/bootstrap,TheFridayInstitute/bootstrap,bootstrapbrasil/bootstrap,creativewebjp/bootstrap,JumpLinkNetwork/bootstrap-backward,stanwmusic/bootstrap,bootstrapbrasil/bootstrap,gijsbotje/bootstrap,creativewebjp/bootstrap,joblocal/bootstrap,fschumann1211/bootstrap,n054/bootstrap,hebbet/bootstrap,creativewebjp/bootstrap,lemuelbarango/bootstrap,blockstack/blockstack-bootstrap,TheFridayInstitute/bootstrap,n054/bootstrap,slavanga/bootstrap,lemuelbarango/bootstrap,tomlutzenberger/bootstrap,frostbitten/bootstrap,joblocal/bootstrap,xt0rted/bootstrap,fschumann1211/bootstrap,hebbet/bootstrap,Delagen/bootstrap,david-schopf/bootstrap,IdanCo/bootstrap,jipexu/bootstrap,SweetProcess/bootstrap,davethegr8/bootstrap,igoynawamreh/bootstrap,vsn4ik/bootstrap,vsn4ik/bootstrap,inway/bootstrap,inway/bootstrap,copperdesign/bootstrap,tjkohli/bootstrap,twbs/bootstrap,SweetProcess/bootstrap,frostbitten/bootstrap,lipis/bootstrap,bardiharborow/bootstrap,igoynawamreh/bootstrap,realcrowd/bootstrap,lemuelbarango/bootstrap,abvalentine/bootstrap,abvalentine/bootstrap,bootstrapbrasil/bootstrap,andresgalante/bootstrap,yuyokk/bootstrap,wesamco/bootstrap-rtl,SweetProcess/bootstrap,hebbet/bootstrap,david-schopf/bootstrap,johnajacob/bootstrap,twbs/bootstrap,Delagen/bootstrap,IdanCo/bootstrap,TheFridayInstitute/bootstrap,afuno/bootstrap,hebbet/bootstrap,supergibbs/bootstrap,afuno/bootstrap,jipexu/bootstrap,vsn4ik/bootstrap,sealocal/bootstrap,janseliger/bootstrap,9-chirno/chirno,bardiharborow/bootstrap,wesamco/bootstrap-rtl,supergibbs/bootstrap,davethegr8/bootstrap,slavanga/bootstrap,fschumann1211/bootstrap,seanwu99/bootstrap,blockstack/blockstack-bootstrap,NCARB/bootstrap,creativewebjp/bootstrap,abvalentine/bootstrap,joblocal/bootstrap,frostbitten/bootstrap,Delagen/bootstrap,Scoutski/bootstrap,yuyokk/bootstrap,slavanga/bootstrap,edanbarak/bootstrap,Hemphill/bootstrap-docs,xt0rted/bootstrap,Delagen/bootstrap,TheFridayInstitute/bootstrap,seanwu99/bootstrap,zalog/bootstrap,wesamco/bootstrap-rtl,coliff/bootstrap,tagliala/bootstrap,bardiharborow/bootstrap,peterblazejewicz/bootstrap,JumpLinkNetwork/bootstrap-backward,kvlsrg/bootstrap,stanwmusic/bootstrap,copperdesign/bootstrap,copperdesign/bootstrap,xt0rted/bootstrap,Scoutski/bootstrap,Hemphill/bootstrap-docs,janseliger/bootstrap,9-chirno/chirno,jipexu/bootstrap,gijsbotje/bootstrap,Scoutski/bootstrap,Hemphill/bootstrap-docs,NCARB/bootstrap,blockstack/blockstack-bootstrap,tomlutzenberger/bootstrap,tomlutzenberger/bootstrap,copperdesign/bootstrap,JumpLinkNetwork/bootstrap-backward,lipis/bootstrap,janseliger/bootstrap,tagliala/bootstrap,Hightrack/bootstrap,gijsbotje/bootstrap,9-chirno/chirno,m5o/bootstrap,tjkohli/bootstrap,abvalentine/bootstrap,andresgalante/bootstrap,vsn4ik/bootstrap,Lyricalz/bootstrap,andresgalante/bootstrap,SweetProcess/bootstrap,janseliger/bootstrap,stanwmusic/bootstrap,edanbarak/bootstrap,realcrowd/bootstrap,igoynawamreh/bootstrap,edanbarak/bootstrap,andresgalante/bootstrap,lipis/bootstrap,IdanCo/bootstrap,johnajacob/bootstrap