earthsciencekit 0.3.0

• New hydrology domain (ROADMAP item 4): the catchment water balance and
  runoff coefficient, Darcy flow and hydraulic head, Dupuit's unconfined
  aquifer, the Theis well function and drawdown, the Cooper-Jacob
  approximation and transmissivity, Gardner's conductivity and steady Richards
  profiles, Green-Ampt and Horton infiltration, Chézy and Manning channel flow,
  Nash and Sherman unit hydrographs, Muskingum routing, Dalton, Penman and
  Penman-Monteith evaporation with the aerodynamic and surface resistances,
  Horton's stream laws and TOPMODEL's index, deficit and baseflow: 38
  algebraic models and the dynamic simulate_infiltration (Green-Ampt under
  steady rain). Its history is a dated chronology of 17 breakthroughs, from
  Perrault's catchment water balance (1674) to TOPMODEL (1979), each with its
  own executed example.
• New constants LATENT_HEAT_VAPORIZATION and VON_KARMAN.
• New glaciology domain (ROADMAP item 5): Forbes's viscous slab, Glen's
  flow law with its rate factor, effective viscosity and laminar velocity
  profile, Nye's plastic ice sheet and dry and water-filled crevasse depths,
  Weertman sliding, the driving stress, the shallow-ice flux and diffusivity
  with Vialov's steady profile, linear mass balance, the accumulation-area
  ratio, equilibrium-line shift and response time, Stefan sea-ice growth and
  freeboard, glacial isostasy and Haskell's viscous rebound, Dansgaard's
  isotope thermometer, the Nye and Dansgaard-Johnsen time scales, the gas-age
  difference, flotation thickness, ice-shelf spreading and Schoof's
  grounding-line flux: 37 algebraic models and the dynamic
  simulate_flowline_glacier (a shallow-ice flowline under a linear mass
  balance, by the method of lines). Its history is a dated chronology of 16
  breakthroughs, from Agassiz's ice age (1840) to Schoof's grounding-line flux
  (2007), each with its own executed example.
• New constants ICE_DENSITY and LATENT_HEAT_FUSION.
• The docs landing figure shows one panel per domain, all nine, and is
  regenerated by docs/make_readme_figure.py.