fixed sub2ind and ind2sub (thin wrappers on numpy) as per Issue #58
interp updates
interp bug fixes
Fix and test interpolation. Issue #43
Model that allows interpolation from one mesh to another.
first attempt at activeCell model
updates to combo model
regularization updates.
reg updates
fix regularization
updates to Travis.
update travis...annoying output will have to stay :(
fixed float issue in innerproducts
added invPropertyTensor and makeTensor to matUtils

combined sp utils into mat utils
clean up after sputils delete
Updates to plotSlice to work on irregular grid
updates to plotSlice
minor bug fix.
Merge branch 'develop' of https://github.com/simpeg/simpeg into boundaryConditions