Populate the capture bar only when opening Capture mode.

Buggy systems tend to crash when listing the available codecs for the capture bar. With this commit buggy systems will still be buggy but MPC-HC won't crash unless the user really starts capture mode.

This commit fixes #3523 #3533 #3551.
Prepare for a new British English translation.
Add British English translation (ticket #3548).
Fix: Ensure that the "On Top" status is checked when losing the focus.

It used to be checked on being given the focus which is mostly useless.

This commit helps for ticket #3541 but in theory it should just be a safety belt.
Use the proper size prefix in format functions.
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.
BaseClasses: minor fixes.
Fix English British resource file.