Add support for loading the files that contain :version when doing
`customize-changed-options' so it can know which variables have
changed even in files that were not loaded at the time it was called.
- * cus-edit.el (customize-changed-options): Remeber all the
+ * cus-edit.el (customize-changed-options): Remember all the
versions and load the corresponding files before we show the
customization buffer. Change the sorting to show the groups first
in the customization buffer.