clang doesn't support pragma ivdep at all

complete GDSII directional coupler tutorial (NanoComp#495)

Merge branch 'master' of git:https://github.com/stevengj/meep

fix GNU sed-ism

move materials-library to examples

bump version to 1.4.1

typo

2015 copyright update

make locate_component_point public to aid debugging

TAG meep-1.2