modified where expression_matrix_mimat output goes.  also added platform name to addition feature
Updating branch feature/miRNAEMMimatChange with current changes from the more recent 'develop' branch.
Merging branch 'feature/miRNAEMMimatChange' into develop.

Places output from miRNA script into current working directory, rather the TCGA repository directory.
updating branch with lastest changes from 'develop' into feature/gidget-config