consistency across converters#2

Open

thomaskelder wants to merge 3 commits intomkutmon:masterfrom

thomaskelder:master

Commits on Jun 19, 2014

always add "entrezGeneID" attribute for consistency across different networks
thomaskelder
committed

Commits on Jun 23, 2014

made miRNA mapping and conversion more consistent: always use MiRNANode class to create nodes for miRNAs. Will result in all miRNA nodes having a Mirbase ID as identifier.
thomaskelder
committed

Commits on Jun 26, 2014

make output GML networks directed (add directed=1) for all miRNA graphs.
thomaskelder
committed