Stub added for sharing-personal
Minor changes, added dconf-keyfiles
Seven disk- pages created.

I have created a new section in the index.page called Disks and
Storage where the sys admin can find how to troubleshoot some
disk issues.

Conflicts:
	system-admin-guide/C/index.page
index.page fixed

I have created a new section in the index.page called Disks and
Storage where the sys admin can find how to troubleshoot some
disk issues.

Conflicts:
	system-admin-guide/C/index.page