BaseClasses: minor fixes.
Add VS2012 Update 4 RC number.
Move old changelog entries to Changelog_old.txt.
Installer: Add the unofficial English British translation.
custom_messages.iss: cosmetics.

Use a space after the comment character.
AudioSwitcher.cpp: remove double semicolon.
player.html: remove width completely.

It's handled in JS.
Enable per-monitor DPI-aware on Windows 8.1.

Fixes #3356.
temp
Use ZeroMemory on more places instead of {0,0}
Fix NULL handle passed as parameter.
Update Git to 1.8.4.
Cleanup
cleanup
cosmetics
Be consistent with the var type.
Update SoundTouch to 1.7.2 r173.