add osx.9 fix for netcdf4
Add in support for netcdf4 cpp bindings.
Add an example linux netcdf configuration.
Add a test to verify that netcdf and netcdfcpp builds correctly.
Move netcdf4 test to a namespaced test, also fix names of netcdf packages.
Remove the `debug: false` lines

Fixes #292.
Add the ginac package
ginac: switch from autotools to cmake
Merge pull request #295 from hashdist/ginac

Add the ginac package
Initil add of git, this means users can have a 'recent' version of git everywhere for convenience
Merge pull request #299 from jcftang/wip-git

Initial add of git 2.0
Initial add of stgit for patch management
initial add of saltstack
Initial add of quilt for patch management
Merge pull request #298 from jcftang/wip-salt

initial add of saltstack
disable gettext in git build for now
Merge pull request #301 from jcftang/wip-disable-gettext-for-git

Disable gettext in git build for now
[fix-netcdf] use MPI compilers so HDF5 can be properly compiled/linked
Merge remote-tracking branch 'origin/master' into hashdist-ahmadia/fix_netcdf

Conflicts:
	.travis.yml
Fix netcdf/host-mpi (take 2)