Update to the latest version of FLANN

Fixes some bad memory [leaking](https://github.com/mariusmuja/flann/commit/b0425ef5d4d6174270f7503ddd32b1ff345bd59c)
Closes #197
populations: Add dependency gettext

Use the same patch as upstream.
prank 130410

Closes #173
suite-sparse 4.2.1

Closes #176
insighttoolkit 4.3.2

Closes #184
armadillo 3.820.1

Closes #192
armadillo 3.900.1

Released 2013-06-04
Closes #202
dssp 2.1.0: New formula

Dssp is a reference tool for assignation of secondary structures
inproteins.

Dssp can be found at http://swift.cmbi.ru.nl/gv/dssp/

If you use DSSP, please cite:

Dictionary of protein secondary structure: pattern recognition of
hydrogen-bonded and geometrical features. Kabsch W, Sander C,
Biopolymers. 1983 22 2577-2637. PMID: 6667333; UI: 84128824.

A series of PDB related databases for everyday needs. Joosten RP, Te
Beek TAH, Krieger E, Hekkelman ML, Hooft RWW, Schneider R, Sander C,
Vriend G, NAR 2010; doi: 10.1093/nar/gkq1105.

Closes #203
bwa 0.7.5a
opencv: Switch to an option to disable OpenCL

OpenCV 2.4.5 enables OpenCL by default (on most platforms), so switch to
having an option to disable the OpenCL module.

Signed-off-by: Misty De Meo <mistydemeo@gmail.com>
opencv: Automatically disable OpenCL for pre-Lion

In particular, OpenCL 1.1 is required by OpenCV 2.4.5+, which is
unavailable in any pre-Lion version of OS X.

Closes #206.

Signed-off-by: Misty De Meo <mistydemeo@gmail.com>
radx 20130412

Closes #155
radx 20130531

Closes #205
samtools: HEAD is hosted on GitHuB
galib: The lib dir has to be created at first
qgis: Fix python support
vtk: Fix python support
vtk: fix depends_on
vtk: has no python3 support
qgis: cmake needs help to find python inc/lib