am: Allow more hidden apps on devices with lots of RAM

 * If more than 1.5GB is present, allow up to 40 hidden apps.
 * Number is somewhat arbitrary, but was found to work well on D2.
 * Also look at the sys.mem.max_hidden_apps value if given.

Change-Id: I2d3cf6e0dad1bc0b482cc37bf9c61ed2f2b4be51
Lock screen weather : Switch to new yahoo api

Use YQL since where.yahooapis.com seems to have been shutdown

Change-Id: Id5f3096f7bc80de6f4c97c3a76cb6d603fba073d
Fix whitespace error

Change-Id: I3013ef329a7a87a8041d8f7a2441e12093da5403
Merge branch 'ics' of git://github.com/CyanogenMod/android_frameworks_base into ics