Fix  disc0:/ vs. disc0: in path parsing

Fix Hot Pixel loading
Remove entire block
Remove entire block again
Move texture unswizzling to decoder, use NEON.
Use aligned NEON loads in texhash.
Merge pull request #5696 from unknownbrackets/texcache

Use NEON for unswizzling, minor tweak to texcache
Change to comment
Set both Default-NAN and FZ on ARM. See comments.

http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.ddi0274h/Babffifj.html
Merge pull request #5694 from sum2012/patch-10

Fix  disc0:/ vs. disc0: in path parsing