Update Straight Talk ATT MMS proxy

Using proxy.mvno.tracfone.com should also future proof it if they change the
IP again. proxy.mvno.tracfone.com resolves to (66.209.11.32)

Change-Id: I8cb5b3ce473bef1369ec4ee313759258fc1172d3
add bash completion script for repo

From Chromium [1]

[1] http://git.chromium.org/gitweb/?p=chromiumos/platform/dev-util.git;a=blob_plain;f=host/repo_bash_completion;hb=master

Change-Id: If246a455244505b26f854ba83d662341d9353592
Use jpegOptimized bootanimations

This commit optimize the jpeg files to reduce
the size of the bootanimation up to 10%.

Change-Id: I695772521c9ee019282220d9c649202914b0a5dc
Don't enable ADB authentication on eng builds

Change-Id: Ibc618e1644080984eb9a409178a2d2bcd76ddf77
Contributors: Add tf700t devs

Change-Id: I158438c1f610a6894280039e456e6068cfead004
Signed-off-by: Jorge Ruesga <jorge@ruesga.com>
add bash completion script for git

From git.git, contrib/completion/git-completion.bash

Change-Id: Ic7eb3cb01b1831ec20a1d99dee15171f7c919d54