Merge pull request #179 from ggabernet/freebayes

Adding Freebayes Single for Germline VC

Author: maxulysse

CHANGELOG.md

@@ -24,6 +24,7 @@ Piellorieppe is one of the main massif in the Sarek National Park.
 - [#174](https://github.com/nf-core/sarek/pull/174) - Add `variant_calling.md` documentation
 - [#175](https://github.com/nf-core/sarek/pull/175) - Add `Sentieon` documentation
 - [#176](https://github.com/nf-core/sarek/pull/176) - Add empty `custom` genome in `genomes.config` to allow genomes that are not in `AWS iGenomes`
+- [#179](https://github.com/nf-core/sarek/pull/179) - Add `FreeBayes` germline variant calling
 
 ### Changed - [2.6dev]