Jit64: re-enable ps_sum0

The issue seems to have been fixed in the mean time.
https://code.google.com/p/dolphin-emu/issues/detail?id=3471
Removed warning caused by calling std::min<int> with size_t values
JIT: don't rely on undefined behavior for constant overflow checking

I have no idea what the compiler does with these, and this code probably
isn't triggered in most games, but it's probably better not to taunt the
undefined behavior demon.
Merge pull request #813 from ChuckRozhon/min_warning

Removed warning caused by calling std::min<int> with size_t values
Core: Kill off Host_ShowJitResults

Another host function that can be killed off by simple wx event handling
Merge pull request #814 from lioncash/jitwindow

Core: Kill off Host_ShowJitResults
OGL: Get rid of an unnecessary WIN32 ifdef in main.cpp
Merge pull request #815 from lioncash/include

OGL: Get rid of an unnecessary WIN32 ifdef in main.cpp
Merge pull request #812 from FioraAeterna/fixundefined

JIT: don't rely on undefined behavior for constant overflow checking
Fix the Not button showing up in the advanced control dialog.

The Not button isn't supposed to show up on outputs to controllers.
When we generate the button it still shows up if it isn't added to the sizer since the parent window still owns it.

Fixes this issue report https://forums.dolphin-emu.org/Thread-linux-ui-bug-in-gc-pad-configuration-menu?pid=335269#pid335269
Merge pull request #757 from Tilka/ps_sum0

Jit64: re-enable ps_sum0
Merge pull request #816 from Sonicadvance1/fix-not-button

Fix the Not button showing up in the advanced control dialog.