hdf5: added C++11 option

Closes #508.
root: upgrade to 5.34.12 and introduce --with-cocoa flag

Closes #502.
gmap-gsnap 2013-11-27
littler 0.1.15: New formula

littler provides hash-bang (i.e. script starting with #!/some/path)
capability for GNU R, as well as simple command-line and piping use.
data-science-toolbox: New formula

A collection of command-line tools that facilitate the obtaining,
scrubbing, and exploring of data.
Update CGNS to 3.1.4-2 and add tests.

Closes #522.
osgEarth: 2.5, 3D Earth engine built upon Open Scene Graph