Changes in version 1.2:

NEW FEATURES

    o   Study design metadata system (group ID, strand, etc) added
    o   Statistics for trimming step added
    o   Per sample mean quality box plot added
    o   Per cycle mean quality Principal Component Analysis (PCA) plot added
    o   Overrepresented sequencing reads plot added

USER VISIBLE CHANGES

    o   RqcResultSet class stores data as frequency tables
    o   BPPARAM argument added to rqc and rqcQA functions

BUG FIXES

    o   Memory usage improved
    o   Input file validation system
    o   Rqc does not depend on X11 to generate plots
    o   Rqc's reporter can generate plots for more than 10 files
    o   Fixed bug related with reshape2 dependency
    o   Fixed bug related with table function
