Merge from lammps master

lib/molfile/*         @akohlmey

lib/qmmm/*            @akohlmey

lib/vtk/*             @rbberger

lib/kim/*             @ellio167

# packages

src/KOKKOS            @stanmoore1

src/USER-CGSDK        @akohlmey

src/USER-COLVARS      @giacomofiorin

src/USER-OMP          @akohlmey

src/USER-QMMM         @akohlmey

# whole packages

src/COMPRESS/*        @akohlmey

src/GPU/*             @ndtrung81

src/KOKKOS/*          @stanmoore1

src/KIM/*             @ellio167

src/USER-CGDNA/*      @ohenrich

src/USER-CGSDK/*      @akohlmey

src/USER-COLVARS/*    @giacomofiorin

src/USER-DPD/*        @timattox

src/USER-INTEL/*      @wmbrownintel

src/USER-MANIFOLD/*   @Pakketeretet2

src/USER-MEAMC/*      @martok

src/USER-MOFFF/*      @hheenen

src/USER-MOLFILE/*    @akohlmey

src/USER-NETCDF/*     @pastewka

src/USER-PHONON/*     @lingtikong

src/USER-OMP/*        @akohlmey

src/USER-QMMM/*       @akohlmey

src/USER-REAXC/*      @hasanmetin

src/USER-TALLY/*      @akohlmey

src/USER-UEF/*        @danicholson

src/USER-VTK/*        @rbberger

# individual files in packages

src/GPU/pair_vashishta_gpu.*        @andeplane

src/KOKKOS/pair_vashishta_kokkos.*  @andeplane

src/MANYBODY/pair_vashishta_table.* @andeplane

src/USER-MISC/fix_bond_react.*      @jrgissing

src/USER-MISC/*_grem.*              @dstelter92

# tools

tools/msi2lmp/*       @akohlmey

# - Find fftw2

# Find the native FFTW2 headers and libraries.

#

#  FFTW2_INCLUDE_DIRS - where to find fftw2.h, etc.

#  FFTW2_LIBRARIES    - List of libraries when using fftw2.

#  FFTW2_FOUND        - True if fftw2 found.

#

find_path(FFTW2_INCLUDE_DIR fftw.h)

find_library(FFTW2_LIBRARY NAMES fftw)

set(FFTW2_LIBRARIES ${FFTW2_LIBRARY})

set(FFTW2_INCLUDE_DIRS ${FFTW2_INCLUDE_DIR})

include(FindPackageHandleStandardArgs)

# handle the QUIETLY and REQUIRED arguments and set FFTW2_FOUND to TRUE

# if all listed variables are TRUE

find_package_handle_standard_args(FFTW2 DEFAULT_MSG FFTW2_LIBRARY FFTW2_INCLUDE_DIR)

mark_as_advanced(FFTW2_INCLUDE_DIR FFTW2_LIBRARY )

# - Find fftw3f

# Find the native FFTW3F headers and libraries.

#

#  FFTW3F_INCLUDE_DIRS - where to find fftw3f.h, etc.

#  FFTW3F_LIBRARIES    - List of libraries when using fftw3f.

#  FFTW3F_FOUND        - True if fftw3f found.

#

find_package(PkgConfig)

pkg_check_modules(PC_FFTW3F fftw3f)

find_path(FFTW3F_INCLUDE_DIR fftw3.h HINTS ${PC_FFTW3F_INCLUDE_DIRS})

find_library(FFTW3F_LIBRARY NAMES fftw3f HINTS ${PC_FFTW3F_LIBRARY_DIRS})

set(FFTW3F_LIBRARIES ${FFTW3F_LIBRARY})

set(FFTW3F_INCLUDE_DIRS ${FFTW3F_INCLUDE_DIR})

include(FindPackageHandleStandardArgs)

# handle the QUIETLY and REQUIRED arguments and set FFTW3F_FOUND to TRUE

# if all listed variables are TRUE

find_package_handle_standard_args(FFTW3F DEFAULT_MSG FFTW3F_LIBRARY FFTW3F_INCLUDE_DIR)

mark_as_advanced(FFTW3F_INCLUDE_DIR FFTW3F_LIBRARY )