Lock screen layout fixes.

Change-Id: Id341eea4062a45c9f71b8f04ccee378addd71c50
Go back to weather RSS parsing instead of using YQL.

YQL is rate limited (2000 queries per IP and hour); some people seem
to hit this limitation.

Change-Id: Ib1945cf716447fbc23e9a54f6494076b21bd71d7
Merge branch 'cm-10.2' of https://github.com/CyanogenMod/android_packages_apps_LockClock into jb-mr2_mkt