Upgrade patchelf
 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.
Make 'hit' tool available from Bash in hashstack scripts
Relocateable packages
added pure python memory profiling package
Prepend PKG_CONFIG_PATH in when_build_dependency.

This helps avoiding accidents where we accidentally use
a system package despite specifying a local package.
Julia: remove the lib copy hacks

With libflags this is not needed anymore.
Update ansible to v1.6.0
Correct boost to compile with clang 3.4.
Merge pull request #264 from jcftang/wip-ansible

Update ansible to v1.6.0
Change how DOLFIN dependencies are specified. Fixes problem with
build_with parameter.
Merge pull request #266 from hashdist/johannr/fix-dolfin-deps

Change how DOLFIN deps are specified
Use setuptools instead of CMake when installing Python files for
VTK (fixes issue #262).
Merge pull request #267 from hashdist/johannr/vtk-python-install

Use setuptools for installing VTK Python files
Merge pull request #265 from robertmaynard/update_boost_155_1

Correct boost to compile with clang 3.4.
Merge commit '2ed286f'