remove TODO; update license

Author: kevinushey

README.md

@@ -14,7 +14,9 @@ The TinyThread library is licensed under the [zlib/libpng](http://www.opensource
 
 The Intel TBB Library is licensed under the GPLv2 (as described at https://www.threadingbuildingblocks.org/Licensing):
 
-TBB and other open-source software available from this site is licensed under GPLv2 with the (libstdc++) runtime exception. Specifically, the TBB open-source license is the same license used by the GNU libstdc++ library in gcc 4.2.1 (and earlier). For a complete description of the license, please visit the official GNU website for [GPLv2](http://www.gnu.org/licenses/old-licenses/gpl-2.0.html) and for the [runtime exception](https://www.threadingbuildingblocks.org/licensing#runtime-exception). 
+TBB and other open-source software available from this site is licensed under GPLv2 with the (libstdc++) runtime exception. Specifically, the TBB open-source license is the same license used by the GNU libstdc++ library in gcc 4.2.1 (and earlier). For a complete description of the license, please visit the official GNU website for [GPLv2](http://www.gnu.org/licenses/old-licenses/gpl-2.0.html) and for the [runtime exception](https://www.threadingbuildingblocks.org/licensing#runtime-exception).
+
+`Boost.SIMD` is licensed under the [Boost Software License, Version 1.0](http://www.boost.org/users/license.html).
 
 **Runtime Exception**