moved tests to use the mock market rather than test market
updated cycamore to find model test files
changed module install dir to lib/cyclus instead of lib/Models
change install dir to not be split into separate inst, fac, reg sub dirs.
fixed module macro calls and removed deprecated stubs.
Merge pull request #152 from rwcarlsen/module-install

change install dir to not be split into separate inst, fac, reg subdirs
flattened away Region, Inst, Facility, Market subdirs