Get rid of unnecessary c_str calls in VirtualDiscFileSystem.cpp
Merge pull request #6166 from lioncash/cstr

Get rid of unnecessary c_str calls in VirtualDiscFileSystem.cpp
Skip cpu change when game not running.

Oops, this happened when changing settings.  Fixes #6167.
framebuffer-clut fixes for ES2
Fix #6169. variable was defined in class but treated as local to function in parts. This meant it wasn't being cleared properly when view was recreated (eg. changing language).
Fix a couple typos, oops.

Framebuffer one probably broke Grand Knights History some, depal one
probably broke some clut stuff.
Clean up MemArena and MemMap. Remove Symbian from MemArena (shouldn't have more ifdefs than code)
Merge remote-tracking branch 'upstream/master' into fps2