[berkshelf] bump version to 2.0.12

`berkshelf` 1.4.3 was VERY old and began pulling in an incompatible 
`faraday` 0.9.0. The 2.0.x series of `berkshelf` should remain 
compatible with existing 1.4.x Berksfiles.
Merge pull request #116 from opscode/schisamo/berkshelf-update

[berkshelf] bump version to 2.0.12
Update cacerts for Jan 28
Merge pull request #120 from lightpriest/cacerts-update

Update cacerts for Jan 28

Thanks for the PR.
[scribe] import software definitions and patches used by omnibus-scribe
[scons] add sconstruct definition for cpp apps (adserver, etc)
[scons] typo
[scons] Syntax. Fail
[thrift] disable parallel build
[python] parallel make yo
[boost] 1.46.1 switch to a US mirror
[fb303] add dep on automake
Revert "[fb303] add dep on automake"

This reverts commit 67c1c3505843a2c73291011a6b59b896404cd1f3.
[haproxy] add software definition
[etcd] add experimental etcd software defn
pip: upgrade 1.3 -> 1.4.1
add clang to common
redis 2.6.14
protobuf common dep
python security/bug patch 2.7.6