Merge changes from PRs #425, 427, 428 to support branches.

[lrknox]

Merge needed to hdf5_1_12, hdf5_1_10, and hdf5_1_8 as appropriate for PRs #425, 427, 428 after passing all test configurations in daily test cycle

#425 Fixes various warnings noticed on Windows
#427 Fixed clang-tidy readability-misleading-indentation warnings
#428 Fixed clang-tidy readability-redundant-control-flow warnings

[lrknox]

PR #425 Fixes various warnings noticed on Windows was merged to hdf5_1_12 along with #427 Fixed clang-tidy readability-misleading-indentation warnings and #428 Fixed clang-tidy readability-redundant-control-flow warnings in PR #460.

#427 Fixed clang-tidy readability-misleading-indentation warnings and #428 Fixed clang-tidy readability-redundant-control-flow warnings were also merged to hdf5_1_10 in PR #462.

PR #425 Fixes various warnings noticed on Windows needs merging to hdf5_1_10. Assigning this to Dana.

None have been merged to hdf5_1_8 pending further discussion.

[seanm]

@lrknox @derobins sounds like this is mostly done?

[byrnHDF]

Will rely on branch compare as this is 1.5 years old.