sync Bowtie2 easyconfigs, consistently use Bowtie2 easyblock

Added an easyconfig with PETSc 3.7.5 and download options rather than…

{vis}[intel/2016b] VMD 1.9.3

style fixes in PETSc easyconfig that downloads deps

{lib}[intel/2016b] ACTC v1.1

{compiler,mpi,system}[GCC/6.3.0-2.28] OpenMPI v2.1.0, hwloc v1.11.6, GCC v6.3.0

{bio}[intel/2017a] SAMtools 1.4 + include patch for XZ 5.2.3 to avoid breaking 'rpm'

{bio}[intel/2017a] HISAT2 v2.0.5, NGS v1.3.0, ncbi-vdb v2.8.2, ...

adding easyconfigs: HISAT2-2.0.5-intel-2017a.eb, NGS-1.3.0-intel-2017a.eb, ncbi-vdb-2.8.2-intel-2017a.eb, file-5.30-intel-2017a.eb

adding easyconfigs: OpenMPI-2.1.0-GCC-6.3.0-2.28.eb, hwloc-1.11.6-GCC-6.3.0-2.28.eb, GCC-6.3.0-2.28.eb

use 'use_fma4' rather than deprecated 'use_fma' easyconfig parameter in FFTW easyconfigs using intel toolchain

{geo,tools}[GCCcore/5.4.0,intel/2016b] WRF v3.8.0, tcsh v6.20.00

rootpy-foss-2016a-python-2.7.11

use 'use_fma4' rather than deprecated 'use_fma' easyconfig parameter in FFTW easyconfigs using intel toolchain

{chem}[intel/2017a] QuantumESPRESSO v6.1

add missing XZ dep in easyconfig for libunwind 1.1 w/ GCC/4.9.2, sync sanity_check_paths across libunwind easyconfigs

{data}[GCCcore/6.3.0,intel/2017a] netCDF v4.4.1.1, netCDF-Fortran v4.4.4

{data,tools}[intel/2017a] HDF5 v1.10.0-patch1, Szip v2.1

{vis}[intel/2017a] JasPer v2.0.12

adding easyconfigs: netCDF-4.4.1.1-intel-2017a.eb, netCDF-Fortran-4.4.4-intel-2017a.eb, cURL-7.53.1-GCCcore-6.3.0.eb, Doxygen-1.8.13-GCCcore-6.3.0.eb