update calendar submodule
.gitattributes file to normalize line endings
normalize line endings of existing files
delete files accidentally added in 10c9ff5438a48527b111233bef27692340965968
also revert change to calendar submodule version
Refs #17078.  Add "G" (era) support for hebrew/locale.js
Fixes #17284.  Add attach points that have tabIndex set so that _setDisabledAttr can clean up.  Added automated test.
update dojox to the latest dojox/app.
Fixes #17288.  Change RangeSlider css to play nicely with claro.
more normalization of line endings
Fixes #17290.  Make RangeSlider tab-stops to the actual movable nodes and not to their parent containers used solely for positioning.
fix missing _set() call, fixes #17295