matplotlib: add pkg-config dep

Fixes #69.
Fixes #88.
scipy 0.13.3

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
scapy: depends on libdnet with python

When installing libdnet as a scapy dependency, we need to pass the
`--with-python` option, otherwise it won't build python bindings and
scapy won't work.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
pycap: add Pyrex dependency

Without Pyrex, pypcap won't build at all.

Closes #93.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
scapy: add pycap dependency

On Mavericks, opening scapy without pypcap installed results in an error
message. While is seems not fatal, it looks better to me to fix the
issue.

Closes #94.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
Fix OpenBLAS linking in numpy/scipy formulas

- Merged OpenBLAS info into [openblas] section in numpy's site.cfg
- Added site.cfg generation to scipy formula similar to numpy
- Added the [openblas] section to scipy's site.cfg

Closes #64.
Closes #70.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
Merge remote-tracking branch 'upstream/master'
Fix typos.