- using Joost's patched pdfopen/pdfclose programs as these now also work for Acrobat 8 using the latest version
-> Could get rid of ugly hack that was only used for Acrobat 8
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@18218 a592a061-630c-0410-9148-cb99ea01b6c8
- avoid uninstalling stuff that was installed by a previous LyX-Version
- renaming Readme-files
- drop PDFViewWin7.exe and go back to the pdfopen/pdfclos method for Adobe Reader 7.
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@17787 a592a061-630c-0410-9148-cb99ea01b6c8