Add python package gsutil plus all its dependencies.
gsutil (and boto-230) require Python 2.
Move these packages to the Python 2 only section.
libpcap: Force detection on Darwin
git: Update to 2.1.3
linux-3.17: bump
Merge pull request #4608 from oconnorr/master

Add python package gsutil plus all its dependencies.
Merge pull request #4733 from linquize/git-2.1.3

git: Update to 2.1.3
opkg: update from 0.2.2 to 0.2.3
Merge pull request #4707 from wmertens/libpcap-darwin

libpcap: Force detection on Darwin
problems with quassel 0.11 and qt5, forcing qt4 for now
Force compatibility with fresh Firefox in SlimerJS
kernel: Add update script
kernel: 3.10.58 -> 3.10.59
kernel: 3.14.22 -> 3.14.23
kernel: 3.16.6 -> 3.16.7