Commits

Merge pull request #1079 in HDFFV/hdf5 from ~LRKNOX/hdf5_lrk:hdf5_1_8_21 to hdf5_1_8_21 * commit 'c6018f8c2ca124b45adbf6d2fc1089157204f212': Switch default build mode to production. Update version to 1.8.21 in anticipation of release.
Merge pull request #1079 in HDFFV/hdf5 from ~LRKNOX/hdf5_lrk:hdf5_1_8_21 to hdf5_1_8_21 * commit 'c6018f8c2ca124b45adbf6d2fc1089157204f212': Switch default build mode to production. Update version to 1.8.21 in anticipation of release.