Add more sample-level information for display in cBioPortal

[ckandoth]

Add more columns to data_clinical.txt, using http://oncotree.mskcc.org/cdd/api/ to standardize column names if possible.

• [ ] MOUSE_CONTAMINATION - For batches with at least 1 PDX sample, report fraction of sequenced reads that align to mouse genome.
• [x] PROJECT_CODE - IGO request ID. E.g. Proj_08392_B
• [ ] FACETS_PLOIDY, FACETS_PURITY, FACETS_WGD, FACETS_VERSION if available.
• [ ] FRACTION_GENOME_ALTERED - fraction of Genome CN altered from FACETS results.
• [ ] MUTATION_COUNT - Number of mutations from analysis MAF.
• [ ] NONSYNONYMOUS_MUTATION_COUNT - Number of mutations from portal MAF.
• [ ] DNA_INPUT - value in input_ng from sample_patient.txt file
• [ ] LIBRARY_YIELD - value in Library_yield from sample_patient.txt file
• [x] PIPELINE_VERSION - version number of pipeline
• [x] PIPELINE - name of analysis pipeline used