DolphinWX: Fix scrolling in hex mode for the memory view

Prior to this after painting the hex values, it would increment the curAddress by 32. This is not only a bug, but unnecessary, since the OnMouseDownL and OnScrollWheel functions should be the only things to handle address incrementing for scrolling purposes.
Software: Get rid of an unnecessary format string in SWmain.cpp
Merge pull request #769 from lioncash/string-fmt

Software: Get rid of an unnecessary format string in SWmain.cpp
Merge pull request #768 from lioncash/hex-view

DolphinWX: Fix scrolling in hex mode for the memory view
Merge branch 'master' of https://github.com/dolphin-emu/dolphin into VR-Hydra
Metroid Prime and Wind Waker default settings.
Enables helmet and visors in Metroid Prime.
Enables telescope in Wind Waker.
Re-enabled optimisation.