nvm 0.10.0

Closes #30716.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
Move TeXmacs to boneyard.

Does not compile with modern C++ compilers.

Closes #27386.
Add re2 option support to sphinx

In order to use [regexp_filter][] feature Sphinx must be compiled with
re2 support

[regexp_filter]: http://sphinxsearch.com/docs/current.html#conf-regexp-filter
sphinx: add 2.1.8 bottle.