root: remove bottle code

Fixes #535.
Add a formula for installing UTGB Toolkit

Closes #526.
Update Mathomatic URL and add devel link.

Fixes #290.
Update sllib to 1.4.2f.
Upgrade wcslib to 4.19.
libgtextutils: Now a subformula of fastx_toolkit

Remove libgtextutils and make it a subformula of fastx_toolkit.
fastx_toolkit is the only formula that requires libgtextutils.
fastx_toolkit: Fails with clang

Closes #432
Simplify MPI dependency in lammps.
VTK6: Added C++11 mode support with several optional dependencies.
ITK: Added C++11 mode support with several optional dependencies.
OpenCV: version bump, added C++11 option, added extra SIMD support