Enable c++11 compilation and use a few of the features.
Fix .cbp syntax.
Convert options table to an unordered map.
Fixes to make compilation work with c++11. (#7626)
ssize_t was more trouble than it was worth.
Include iterator to make VC happy.
Apply namespacing correctly for pow to handle more pedantic compilers, and shuffle around types used to take advantage of new type promotion rules.
save and load the player messages with the main game
Merge remote-tracking branch 'BevapDin/save-the-messages' into FrankenMod
Merge remote-tracking branch 'kevingranade/c-plusplus-11' into FrankenMod

Conflicts:
	src/item.cpp
	src/worldfactory.cpp