message: presLayout updates
diff: @@ -188,7 +188,8 @@ export default class PptxGenJS {
  }
  private _presLayout: ILayout
  - presLayout = (): ILayout => {
  + public get presLayout(): ILayout {
  + //presLayout = (): ILayout => {
  return this._presLayout
  }
  @@ -305,10 +306,7 @@ export default class PptxGenJS {
  zip.file('docProps/core.xml', genXml.makeXmlCore(this.title, this.subject, this.author, this.revision))
  zip.file('ppt/_rels/presentation.xml.rels', genXml.makeXmlPresentationRels(this.slides))
  zip.file('ppt/theme/theme1.xml', genXml.makeXmlTheme())
  - zip.file('ppt/presentation.xml', genXml.makeXmlPresentation(this.slides, this._presLayout, this.rtlMode))
  -// zip.file('ppt/presentation.xml', genXml.makeXmlPresentation(this.slides, this._presLayout))
  -console.log(this._presLayout)
  -console.log(this.presLayout())
  + zip.file('ppt/presentation.xml', genXml.makeXmlPresentation(this.slides, this.presLayout, this.rtlMode))
  zip.file('ppt/presProps.xml', genXml.makeXmlPresProps())
  zip.file('ppt/tableStyles.xml', genXml.makeXmlTableStyles())
  zip.file('ppt/viewProps.xml', genXml.makeXmlViewProps())
  @@ -729,7 +727,7 @@ console.log(this.presLayout())
  addSlide(masterSlideName?: string): ISlide {
  let newSlide = new Slide({
  totalMediaRels: this.totalMediaRels,
  - presLayout: this._presLayout,
  + presLayout: this.presLayout,
  setSlideNum: this.setSlideNumber,
  slideNumber: this.slides.length + 1,
  slideLayout: masterSlideName
  @@ -754,10 +752,10 @@ console.log(this.presLayout())
  }
  let objLayout: ISlideLayout = {
  - presLayout: this._presLayout,
  + presLayout: this.presLayout,
  name: inObjMasterDef.title,
  - width: inObjMasterDef.width || this._presLayout.width,
  - height: inObjMasterDef.height || this._presLayout.height,
  + width: inObjMasterDef.width || this.presLayout.width,
  + height: inObjMasterDef.height || this.presLayout.height,
  slide: null,
  data: [],
  rels: [],
  