Add fabric and paramiko
Make paramiko depend on pycrypto
Add Ruby
Add rubygems
rubygems: Set proper LOCALE

Fixes #93. This is a workaround, as suggested by

https://github.com/rubygems/rubygems/issues/139
Add jekyll
Add pandas
Add pytz
dateutil: unpack the egg
Add dstat
dstat: fix the installation path
Add lxml

It currently links to systemwide libraries (#96).
openssl: include our zlib headers (fixes #97)
png: use our zlib

This fixes #98, but the build still fails due to missing zlib later.
png: fix the other compilation error
Add packages.yml.linux

It is an exact copy of packages.yml
Merge branch 'master' into darwin-cek
Add netcdf4
Add python-netcdf4
netcdf4: remove unnecessary dependencies