Created generator for BA and ER models
Created generic epidemic spread class
Merge branch 'master' of https://github.com/bimaoe/complex-networks into epidemics
Created folder for epidemics
Merge branch 'master' of https://github.com/bimaoe/complex-networks into network-generator
Created folder for network generator
Implemented epidemic spread run.
Deleted code duplicate.
Corrected Attributes to Parameters
Created generator for WS model
Inserted initial state in evolution
Created generator for SF to ER configuration model.
Created Waxman and spatial Scale Free models.
Merge branch 'epidemics'
Created example that runs SIR in a ER network.