added arb easyblock
Merge pull request #277 from hpcugent/v1.8.x

release EasyBuild v1.8.1
add easyblock for installing Allinea tools (requires X forwarding to be enabled)
Only define RUNPARALLEL if MPI support is enabled for HDF5
Fix the configure option for Szip in HDF5 EB. It is actually --with-szlib instead of --with-szip
allow to customize --prefix
fix long line
clean up long line
Merge pull request #287 from boegel/conf_prefix_opt

allow to customize --prefix
add support for specifying install command in Binary easyblock, use it for ABAQUS and EPD
add missing import
New EasyBlock for HDF5-serial

This EasyBlock allows to compile HDF5 without MPI support.
It is necessary to create a new EasyBlock because the HDF5 one relies on the 'usempi' option thatr requires an MPI-enabled toolchain.
Merge pull request #288 from boegel/binary_install_cmd

add support for specifying install command in Binary easyblock
add build status badges for master/develop branches to README
Merge pull request #289 from boegel/master

add build status badges for master/develop branches to README
fix remarks for ARB easyblock
use pass for configure, build with make after setting env vars and make options
correct use of os.pathsep.join
run make to configure before actually building, ignore exit code
really ignore exit code of make to configure