Renamed package to ActivePathways from activePathways for consistency
with function and publication
Added new function export_as_CSV(res, file_name) to save data in
spreadsheet-friendly formats
Updated README-file with an actionable step-by-step tutorial
Changed logic of creating files for Enrichment Map: the user can provide
the parameter "cytoscape.file.tag" for creating the required files. If the
parameter is NA (default), no files are created. No directories are created.
Removed the parameter "return.all" as it was redundant with the
parameter "significance".
Removed the parameter "reanalyze" to simplify the package and leave the structuring
of results up to the user.
Removed the dependency on the R package metap. As a result, only Fisher's and Brown's p-value
merging options are available.
Updated the vignette that now describes the ActivePathways package as well as the following steps of visualising results as enrichment maps in Cytoscape.