Consequence type gbpa

- Deleted cellbase-core/src/main/java/org/opencb/cellbase/core/common/variation/GenomicVariant .java (used GenomicVariant from biodata instead)
- Added ClinicalVarDBAdaptor
- Added GetAnnotationByVariant to cellbase-server/src/main/java/org/opencb/cellbase/server/ws/genomic/VariantWSServer.java
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