Add `CmpH5Reader::pulseFeaturesAvailable`

[To help with bug 21976]
prop:1.4

[git-p4: depot-paths = "//depot/software/bioinformatics/lib/python/pbcore/": change = 117684]
Set author email to devnet@

[Bug 21925]

[git-p4: depot-paths = "//depot/software/bioinformatics/lib/python/pbcore/": change = 117723]
Update LICENSES---now licensed under the "Clear BSD" license.

[Tracking bug 21562]

[git-p4: depot-paths = "//depot/software/bioinformatics/lib/python/pbcore/": change = 117758]
Stamp copyright boilerplate on the files

[Tracking bug 21562]

[git-p4: depot-paths = "//depot/software/bioinformatics/lib/python/pbcore/": change = 117759]
Update version to 0.4.0 for new licensing

[Tracking bug 21562]

[git-p4: depot-paths = "//depot/software/bioinformatics/lib/python/pbcore/": change = 117760]