Remove hdf5 patch for cygwin (no longer needed in latest version 1.8.13).
Initial add of libtiff.
Do not use vtk's own libtiff since it fails on Darwin.
Do not add F77, F90 and FC to PETSc configure line on Darwin, since no Fortran compiler is available.
ansible: update to 1.7.1
- Use libtiff on all platforms.
- No need to set INCLUDE and LIBRARY variables for libtiff since CMAKE_PREFIX_PATH is set.
Merge pull request #423 from jcftang/wip-update-ansible

ansible: update to 1.7.1
Reformat dolfin dependencies.
Merge pull request #402 from hashdist/johannr/vtk-libtiff

VTK use libtiff
Adjust dependencies for fenics packages.
golang: when build dependency expose the bin directory
hugo: update to tip to get a bug fix and also relocatable: false
Merge pull request #424 from jcftang/wip-golang

golang: when build dependency expose the bin directory
Merge pull request #425 from jcftang/wip-hugo

hugo: update to tip to get a bug fix and also relocatable: false
Add dependencies to CMAKE_PREFIX_PATH for dolfin.
Update to latest tip for fenics packages.
Merge pull request #426 from hashdist/johannr/fenics-updates

fenics updates
Merge branch 'master' into hashdist-johannr/petsc-darwin-no-fortran
Add "fortran" parameter

This is a stand in until we get proper Fortran package dependency
support, but should serve most simple cases.
Merge pull request #404 from hashdist/johannr/petsc-darwin-no-fortran

Configure PETSc without F77, F90 and FC when the `fortran` parameter is set to `false`.