[minor] change backup filename format to DDMMYY_HHMMSS_SITE_DATABASE.*

[minor] fixed uneven intendation, replaced spaces with tag

[Fix] Minor fix - refresh contact links

[minor] save uid, raw email for unhandled emails and other minor fixes

Update model.js

Add comment to clarify slug or slugify functionality

Delete backups if path exists

[minor] reverted code control's background color to white

[fixes] render extracted jinja title for custom doctypes

[minor] delete comment from documents _comments column on communication on_trash event

[minor] images attached to website slideshow should be public

[minor] dont show the quick entry dialog if there are no mandatory or bold fields available

Update attach.js

[minor] update the image field value if file's is_private value changed

[hotfix] encode traceback for frappe.log_error method

Add new currencies

[feature] File upload using Socket.io by making chunks

Enable using templates inside ControlHTML

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