maxplanck-ie/HiCExplorer: QC module

This release adds a quality control module to check the results from hicBuildMatrix. By default, now hicBuildMatrix generates a HTML page containing the plots from the QC measures. The results from several runs of hicBuildMatrix can be combined in one page using the new tool hicQC. Also, this release added a module called hicCompareMatrices that takes two Hi-C matrices and compute the difference, the ratio or the log2 ration. The resulting matrix can be plotted with hicPlotMatrix to visualize the changes