style: filenames and class case
Merge pull request #5 from demarle/add-engine-infrastructure

style: filenames and class case
make engines specify the view type

now the data dumped by test.test_vtk_explorer is useable by
the cinema web app
add in a working paraview explorer

todo:
fully specify slice options
figure out how best to specify range of LUTs for each slice
figure out how to mix camera, color and operation explorers
flesh out the chaining concept for parameter sets

the appraoch is to give the explorer multiple engines with
well defined order to call them in
Merge pull request #7 from demarle/add-engine-infrastructure

Add engine infrastructure
style: make tests more readable
Merge pull request #8 from demarle/add-engine-infrastructure

style: make tests more readable
Rename cinema_store class to CinemaStore.

Making class naming consistent with style.
Updating cinema_store/explorers APIs

Refactoring cinema_store/explorers APIs.

Updated test_pv_slice() in tests.py to use the new API.