Just before merging #483 Buffer cleanup minimal

Update README.md

Merge pull request #272 from IPPL-framework/dev-3.2.0

Release IPPL-3.2.0

Merge pull request #218 from Arc676/fixes-and-cleanup

Assorted fixes and cleanup

Merge branch 'fix-copies' into 'master'

Bug fixes

See merge request OPAL/Libraries/ippl!171

Merge branch 'fix-cuda-issues' into 'master'

Fix CUDA issues

See merge request OPAL/Libraries/ippl!168

Merge branch '142-remove-hard-coded-types' into 'master'

Resolve "Remove hard-coded types"

Closes #142

See merge request OPAL/Libraries/ippl!158

code reran and verified

Solve warmup added and timings reorganized

Merge branch '113-fix-unused-variables' into 'master'

Resolve "Fix unused variables"

Closes #113

See merge request OPAL/Libraries/ippl!122