Add missing slash in mutations route
Add missing slash in mutations route

reimandlab/Visualisation-Framework-for-Genome-Mutations,reimandlab/Visualisation-Framework-for-Genome-Mutations,reimandlab/ActiveDriverDB,reimandlab/ActiveDriverDB,reimandlab/ActiveDriverDB,reimandlab/Visualisation-Framework-for-Genome-Mutations,reimandlab/Visualisation-Framework-for-Genome-Mutations,reimandlab/Visualisation-Framework-for-Genome-Mutations,reimandlab/ActiveDriverDB