Modify Changelog to fragment

Patchset 1) Initial commit
(gweedo767)
Patchset 2) Clean up XML and imports
(gweedo767)
patchset 3) removed setHasOptionsMenu
(gweedo767)
patchset 4) removed hardcoded string and one unneeded string
(gweedo767)
patchset 5) fix spacing in Manifest
(gweedo767)

Settings: Remove Changelog Summary
Remove the redundant summary to the Changelog in About Phone.

Change-Id: Ia808792e31018ca91757b1956c14724a0e6f5c53

Ported from cm-10.2

Change-Id: Id39c3d44cf364b98bd8450db378d3dcfe7301fbb