Remove OIFITS which CCOIFITS cannot read. This fixes #93, closes #93
Refactor find scripts, move several to liboi.
Update liboi, refactor find scripts.
Apply fix for older CMake versions (i.e. Travis CI / Ubuntu 12.04)
Merge fix for FindCCFITS.cmake path. fixes #92
Sync FindMultiNest.cmake with upstream. Quote user-supplied and system paths.