Merge pull request #1171 from openforcefield/0-4-2-release-notes

Finalize 0.4.2 release notes

Merge pull request #1148 from openforcefield/0-4-1-release-notes

Finalize 0.4.1 release notes

Merge pull request #1090 from openforcefield/fix-missed-decorator

Remove an extra `@experimental` decorator

DOC: Improve 0.4.0 release notes

Merge pull request #1074 from openforcefield/high-level-positions-getter

Add high-level positions getter, exclude virtual sites by default

MAINT: Remove `openff-models` from tooling

Merge pull request #1023 from openforcefield/fix-1022

Fix indexing in vdW lookup of atoms in GROMACS export

Merge pull request #1012 from openforcefield/0.3.28-release-notes

Finalize 0.3.28 release notes

DOC: Finalize 0.3.27 release notes

DOC: Finalize 0.3.26 release notes