Initial commit of elementary effects code

Implemented EE as published in Morris (1991), with additions from
Campolongo (2007).
Added Campolongo's distance measures

Includes test harness for Campolongo’s improvements to Morris’s
elementary effects
Add setup.py and manifest

Create a normal python package
Reorder .gitignore
Change Sobol sequence points to a python file

Kept import function for other sequence point files in the future.
Added esme script to end of file
Implemented pep8 improvements
Removed debugging comments
Implemented PEP8 syntax improvements
Changed defaults for morris_oat.py

Changed defaults for grid levels and grid jump size to those
recommended in Saltelli 2008 (4 and 2 (2/3) respectively).
Sep'd scores and combos from find_most_distant sub

Separated scores and combinations returned from the find_most_distant
procedure (to aid testing).
Typos and comments
Replaced inner loops with additions
Move files to new locations
Add profiling procedure
Merge branch 'optimise_loop' into morris_ee
Implemented map() and reduce() to distance calc
Updated profiler
Added __init__.py for package and imports
Removed multiprocessing

Added Map sub-function within find_most_distant function.
Added test for Map (commented out)
Started incorporating into a Class optimised_trajectories
Updated .gitignore
Added test_params.txt for tests