Plotting damage dist
Merge https://github.com/VSilva/RMTK into damage-dist

Conflicts:
	rmtk/exposure/Untitled Document
Damage distribution bar plots
Merge branch 'master' into damage-dist

Conflicts:
	rmtk/plotting/loss_curves/plot_loss_curves.ipynb
Merge pull request #2 from raoanirudh/damage-dist

Damage distribution plots
solving problems
Merge branch 'master' of https://github.com/VSilva/RMTK
vulnerability csv->xml parser
discrete fragility csv->xml parser
discrete fragility csv->xml parser
removed csvs
sample csv files
exposure csv->xml parser
detect blank fields
added help text to plotting notebooks