fix maxNativeZoom wording
fix maxNativeZoom wording

e.g. If my tile source only goes up to z15 but I want users to zoom into z17, then I set maxNativeZoom=15, maxZoom=17, and for all zoom levels higher than maxNativeZoom, tiles from maxNativeZoom will be loaded and auto-scaled.
iOffice/Leaflet,scaddenp/Leaflet,Trufi/Leaflet,rlugojr/Leaflet,Leaflet/Leaflet,iOffice/Leaflet,davojta/Leaflet,AP-whitehat/Leaflet,brah/Leaflet,jasonoverland/Leaflet,davojta/Leaflet,msiadak/Leaflet,iZucken/Leaflet,frogcat/Leaflet,Neorth/Leaflet,stefanocudini/Leaflet,Ubisense/Leaflet,geoloep/Leaflet,Ubisense/Leaflet,iOffice/Leaflet,codeator/Leaflet,davojta/Leaflet,akrzyzanowskino/TeamSE,akrzyzanowskino/TeamSE,frogcat/Leaflet,brah/Leaflet,Neorth/Leaflet,jasonoverland/Leaflet,scaddenp/Leaflet,geoloep/Leaflet,msiadak/Leaflet,stefanocudini/Leaflet,rlugojr/Leaflet,CapeSepias/Leaflet,Ubisense/Leaflet,codeator/Leaflet,geoloep/Leaflet,frogcat/Leaflet,sisou/Leaflet,jasonoverland/Leaflet,CapeSepias/Leaflet,tsantacruz/RotationalMarker,sisou/Leaflet,rlugojr/Leaflet,sisou/Leaflet,akrzyzanowskino/TeamSE,Neorth/Leaflet,iZucken/Leaflet,Trufi/Leaflet,Leaflet/Leaflet,AP-whitehat/Leaflet,stefanocudini/Leaflet,CapeSepias/Leaflet,Trufi/Leaflet,scaddenp/Leaflet,iZucken/Leaflet,brah/Leaflet,Leaflet/Leaflet,AP-whitehat/Leaflet,tsantacruz/RotationalMarker,tsantacruz/RotationalMarker,codeator/Leaflet,msiadak/Leaflet