fix ICE and ICEP Model and add docs for ICE, ICP and ICEP model

🐛 network dispatcher regression bug fix

Merge pull request GiulioRossetti#22 from GiulioRossetti/composite

NDlib 4.0 (Dengue)

bugfix

Merge pull request GiulioRossetti#8 from GiulioRossetti/pyup-pin-dyne…

…tx-0.1.6

Pin dynetx to latest version 0.1.6

docs update

Update README.md

bugfix