Merge pull request #37 from zoziha/add-fpm-support

Add fpm support

Re-add support for VTM, stable release, fully backward compatible.

OOP refactored, stable release, not backward compatible.

Add VTK_VAR_XML_READ and VTK_END_XML_READ, stable release, not backwa…

…rd compatible!

API changes:

+ previous `VTK_VAR_XML` => split into `VTK_VAR_XML_WRITE` and `VTK_VAR_XML_READ`
+ previous `VTK_END_XML` => split into `VTK_END_XML_WRITE` and `VTK_END_XML_READ`

Should work for current aims of @francescosalvadore

Add Francesco Salvadore test, stable release, fully backward compatible.

Update to the last PENF version, stable release, fully backward compa…

…tible.

Stable release, fully backward compatible.

Submodularize IR_Precision

Add BSD licenses, stable release, fully backward compatible.

Stable release. Fully backward compatible. Licensing changed.

+ Switch to dual licensing system: GPLv3 or MIT as user preference;