Comment text typos.
Add bilinear interpolation - first draft.
Merge branch 'master' of https://github.com/kwan0xfff/fmtk into math
Point from README to intro.
Improvements to quickstart/provisions via fmtk-qs.

* In provisioning, detect more symlink errors.
* Fix incorrect symlink dependencies.
* Workaround for default build directory.
* pylint
Add build provisioning workarounds.
Merge branch 'master' of https://github.com/kwan0xfff/fmtk
Merge branch 'math'