Add error dialog wrapper
Issue 383: Xml modified, tool tips updated.
Issue 386: handled by disabling undo button while recording during slide show mode.
Issue 381: ErrorDialog with details has been added to try-catch blocks.
Error message modified.
Copy paste error fixed.
Update tutorial file and version info.
Update tutorial file and version info.
Revert "Update tutorial file and version info."

This reverts commit 88ec3440df7f5aa5b9f46df3d896c9742a8c668d.
fix issue : 'combine shapes' not added
this fixed #387
Merge branch 'master' into Feature-AudioRecord
Issue 390: "Remove Audio" button gets refreshed every time after audio embedding.
Issue 369: bug confirmed before version 1.7.10 and smoothed after 1.7.11.
fixes #374
Fixes #393
dev 1.7.13 info updated.
InitializeAudioAndScript refactored, preparing for implementing lazy loading.
Lazy loading
mostly done, need to handle single slide copy paste problem.
fixes #403