Pre-release from feature branch

[keiranmraine]

mismatchQC + fragment testing Depends on

• [x] #5 feature/rg_metadata
• [x] #6 feature/rg_metadata
• [x] #7 feature/mismatchQc_C
• [x] #8 feature/bamstats_qcfail
• [x] Merge any features into feature/mismatchQc_C
• [ ] Add ability to request .csi indexing of BAM
• [ ] Create pre-release from feature/mismatchQc_C

[keiranmraine]

4.1.0-rc1 created