Adding VarDict, Manta and Picard tools

Adding the following:

✔️ Manta 1.5.1
✔️ VarDict
✔️ Picard CollectMultipleMetrics
✔️ Picard MarkDuplicates 2.21.2
✔️Picard AddOrReplaceReadGroups 2.21.2
✔️Picard Fixate Information 2.21.2
✔️Picard CollectAlignmentMetrics 2.21.2
✔️Picard Hsmetrics 2.21.2
✔️ Picard collectmultiplemetrics 2.21.2

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Fixing Picard Tools