Update MANIFEST

Fixed spelling error
Changes to volume check

Will now update the analyte rather than the sample
Modified volume check tests
Added fluidigm analysis to mapper
Merge pull request #141 from jbeast/fluidigm_analysis

Added fluidigm analysis to mapper
Merge pull request #140 from jbeast/shadow_plate_volume_check

Shadow plate volume check
Prepare for release 0.39
Merge pull request #142 from wtsi-clarity/devel

Release 0.39