    //params {
    //REQUIRED values to enter (all others should work as default):
    // ref_fasta               (or some other ref-mode/location)
    // treat_fastqs            (input paired-end fastq[.gz] file paths)
    //   [OR fastq_groups]     (mutli-group input paired-end .fastq[.gz] file paths)
    
    // Automatic alignment reference preparation/usage settings:
    //ref_mode       = 'fasta'  // Options: ['name', 'fasta', 'manual']
    //ref_fasta      = ''       // REQUIRED: Ex: '/path/to/my/reference.fasta[.gz]'
    // Default Pre-Supplied Normalization library is Ecoli:
    //norm_ref_fasta = "${projectDir}/ref_dbs/gcf_000005845.2_asm584v2_genomic.fasta.gz"

    // CnR-flow Input Files:
    //   Provided fastqs must be in glob pattern matching pairs.
    //     Example: ['./relpath/to/base*R{1,2}*.fastq']
    //     Example: ['/abs/path/to/other*R{1,2}*.fastq']
    //
    //treat_fastqs = []  // REQUIRED, Single-group Treatment fastq Pattern
    //ctrl_fastqs  = []  //           Single-group Control   fastq pattern
    
    // Can specify multiple treat/control groups as Groovy mapping.
    //   Specified INSTEAD of treat_fasts/ctrl_fastqs paramaters.
    //   Note: There should be only one ctrl sample per group 
    //     (after optional lane combination)
    //Example:
    //fastq_groups = [
    //  'group_1_name': ['treat': 'relpath/to/treat1*R{1,2}*',
    //                   'ctrl':  'relpath/to/ctrl1*R{1,2}*',
    //                  ]
    //  'group_2_name': ['treat': ['relpath/to/g2_treat1*R{1,2}*'
    //                             '/abs/path/to/g2_treat2*R{1,2}*'
    //                            ],
    //                   'ctrl':  'relpath/to/g2_ctrl1*R{1,2}*'
    //                  ]
    //]
    //fastq_groups = []    

