Adding to hazardlib functions - 1st commit
Adds scaled point plotting and savemap option
Adds fixes docstring
Merge pull request #28 from g-weatherill/plotting_mar14

Plotting mar14
Initial commit
Adds functionality to run PSHA calculation from toolkit
Clean up commented lines
Merge pull request #30 from g-weatherill/source_to_hazardlib

Adds lightweight PSHA calculator to hazardlib