Add import of WATERFALLPLOT_SIDELENGTH
Add import of WATERFALLPLOT_SIDELENGTH


Former-commit-id: 198a0ca9cafe8c77c6765d1acb530cfaa27b362e
cBioPortal/cbioportal-frontend,alisman/cbioportal-frontend,alisman/cbioportal-frontend,alisman/cbioportal-frontend,alisman/cbioportal-frontend,cBioPortal/cbioportal-frontend,cBioPortal/cbioportal-frontend,cBioPortal/cbioportal-frontend,alisman/cbioportal-frontend,alisman/cbioportal-frontend,cBioPortal/cbioportal-frontend,cBioPortal/cbioportal-frontend