Bug 24623. Change filter_plsh5.py bash5 IO from the old pbpy to pbcore.io.BasH5IO. Remove SandwichFilter.

[git-p4: depot-paths = "//depot/software/bioinformatics/lib/python/pbcore/": change = 130856]
Add bam, bam.bai files (converted from the tiny cmp.h5 file) and accessor method

[Tracking bug 23893]

[git-p4: depot-paths = "//depot/software/bioinformatics/lib/python/pbcore/": change = 131140]
Fix the getCmpH5() API to actually return a cmp.h5 instead of a dictionary.

[Tracking bug 23893]

[git-p4: depot-paths = "//depot/software/bioinformatics/lib/python/pbcore/": change = 131141]
Add sequencingChemistry property to CmpH5Alignment

[Tracking bug 23893]

[git-p4: depot-paths = "//depot/software/bioinformatics/lib/python/pbcore/": change = 131243]
bug 24676 Fixed barcode index to use correct column from /AlnInfo/Barcode (bestIdx at 1, second column)	

[git-p4: depot-paths = "//depot/software/bioinformatics/lib/python/pbcore/": change = 131289]