default.xml: update all PA repos to use 'aospa' remote
default.xml: change 'sabermod' remote name to 'sm' and reflect changes in GCC toolchain lines
default.xml: fix gcc line derps
default.xml: use 'sm' remote for new arm-eabi-4.8 (GCC 4.8.3)
default.xml: change all remotes hosted on GitHub to 'github'
default.xml: attempt to fix repo hang - change remote to 'aospal' for 'frameworks/base'
default.xml: attempt to fix repo hang 2 - use 'aospal' remote for 'packages/apps/Settings'
default.xml: attempt to fix repo hang 3 - use 'aospal' remote for 'external/skia'
default.xml: attempt to fix repo hang 4 - comment out line 232

This repo needs to be manually git cloned since repo tool thinks it doesn't exist.
default.xml: remove 'review' from 'github' remote
default.xml: comment out line 333 'packages/apps/Settings'

Another repo that 'doesn't exist', according to repo tool. Has to be manually git cloned.
default.xml: comment out lines 381 & 382 (SaberMod toolchains)

Need to manually git clone... again.
default.xml: uncomment troublesome lines and add warnings

<!-- Might have to manually git clone this repo -->
example repo that may give you trouble
<!-- Might have to manually git clone this repo -->
default.xml: remove warning comments and add proper specific remotes to their respective lines
default.xml: add 'psd' remote (Paranoid SaberDroid)
default.xml: add new AOSP forks

These forks have been patched for GCC 4.8+
default.xml: use SM 4.7 GCC for now
default.xml: add 'sm' kitkat mako kernel
[WIP] manifest cleanup

Change-Id: I9cc08d6bf8a45533ae5b134dece40cda47468e6b