PRD-3278: Fixed anchor coordinate for 2nd cell x and y positions when rendering image in Excel.  Fixes exporting reports that have images in Excel 2007 - the images would not display.
Merge pull request #249 from pentaho-skarmali/PRD-3278_export_to_excel_2007_backport_5.0

Prd 3278 export to excel 2007 backport 5.0