Cleanup code style.
Move ActionReplay code->INI saving into ActionReplay namespace.
Threadsafety Cleanup: ActionReplay is accessed from the Host, Emu
and CPU Threads so the internal storage needs to be protected by a
lock to prevent vectors/strings being deleted/moved while in use by
the CPU Thread.
UI Consistency: Make ARCodes behave like Gecko Codes - only apply
changes when Apply is pressed. Save changes to INI from CheatsWindow.
ISOProperties/CheatsWindow now synchronize with each other.
With auto-updating lists, searching for the previous value isn't
necessary. Also, this breaks out specific functionality into their own
functions, which helps separate UI code from the data processing code.
modified: Source/Core/DolphinWX/Cheats/CheatSearchTab.h
std::array does not have an initializer list constructor, instead (for
some reason) being defined to contain one public array member, allowing
it to be directly initialized. Thus the most explicit way to initialize
it is with two braces, one for the struct and one for the array. C++
allows the second pair of braces to be omitted, but clang complains
about it.