Remove obsolete ind2ind/sub2sub functions
Move specialization of relative_* into colon
make_size only require forward declaration of relative_colon_
Dispatch vectorizable state of colon to proper file
core.base is indepedent of core.generative
remove useless typedef in extract
additional functions added to load and store to account for the masked variants
added masked scalar load and store
unit test for masked scalar store/offset masked scalar store
bad header guard in logarithm.hpp
Merge pull request #722 from MetaScale/issue_346-colon_dependencies

Fix dependencies of core.base w/r to core.generative
masked store/scatter added to common with unit test added. scatter unit test modified, no longer uses load and uses randon numbers to decide scatter indices and masks
scalar unit tests added for store
masked load/gather added to common load. scalar unit tests added and load_runner modified for additional of simd unit tests
HPX finding logic was incorreect for externals in installed mode