Bugfixes and variant filtering improvements

[4.17]

Added

• COSMIC badge shown in cancer variants
• Default gene-panel in non-cancer structural view in url
• Filter SNVs and SVs by cytoband coordinates
• Filter cancer SNV variants by alt allele frequency in tumor
• Correct genome build in UCSC link from structural variant page

Fixed

• Bug in clinVar form when variant has no gene
• Bug when sharing cases with the same institute twice
• Page crashing when removing causative variant tag
• Do not default to GATK caller when no caller info is provided for cancer SNVs