Merge branch 'hotfix-1.12.0a17'
Merge branch 'release-1.12.0a18'
Update revision info.
Add a simple README.txt
Merge branch 'release-1.12.0a19'
Code optimization.
Track the current deleting file in sbCommonUtils.removeDirSafety().
Fix: do not remove the file if sbCommonUtils.writeFile() meets an error.
Fix: do not remove the original file if there is error overwriting a sub-page.
Fix: if the page is shortened, saving it causes excess chars left appended.
Update version info.
Merge branch 'hotfix-1.12.0a20'
Merge branch 'hotfix-1.12.0a20' into devel
Fix: tree does not renew after creating a new note, making the note placed at the wrong place temporarily.
Add comment for create functions.
Use sbCommonUtils.rebuildGlobal() for better refresh.
Fix: better scroll to the newly created folder, note, notex.
Fix: select the newly created separator.
Merge common item creation processes into sbMainService.addNewResource().
New item is now inserted after the current selected item.