Fix VSProject item sorting:
* Use object type in the sort key
* Call _key recursively over containers
* Prevent passing of iterators to xsorted
* Fix VSProject generator with new sorting
Simplify initialization of Pathfinder using C++11 constructs.
Rate-limit SSL client renegotiation (RIPD-360)
Don't pass unrecognized warning flags to gcc
Make STInteger constructor explicit
[FOLD] Begin multisign documentation