Merge branch 'hotfix-2.1.23'
Change to the attribute download method

- Permissions weren't checked correctly when downloading attachments
Merge branch 'hotfix-2.1.24'
Small fix to the layout

- left menu would move along horizontally when forced to scroll left and right on lower resolution screens / smaller windows

- small script that keeps the left menu at the left edge of the page as opposed to the left edge of the window
Merge branch 'hotfix-2.1.25'
UI fixes

- popover effect in IE/Chrome not as annoying anymore
- only the active select will have a popover, clicking away destroys it

- Added popovers to the add attachments instead of the old info fields
Merge branch 'hotfix-2.1.26' into develop

Conflicts:
	app/Controller/AttributesController.php