Add ERROR_PGD_INVALID_HEADER , 0x80510204
Add sceGameUpdate
Turn log level to ERROR
Merge pull request #1028 from raven02/patch-5

Add sceGameUpdate
Non-Windows buildfix
Merge pull request #1030 from mikusp/master

Non-Windows buildfix
Add delays in some timing funcs that games tightloop.

Greatly improves performance in Legend of Heroes 1.
Merge pull request #1031 from unknownbrackets/perf

Add delays in some timing funcs that games tightloop
Remove some now unnecessary dependencies for Symbian.
Fix Qt for Blackberry. Remove unnecessary dependencies for Blackberry and Windows.
In Qt, use mobile UI for anything non-Linux due to threads issue. So, Windows Qt UI runs fine now.
Merge remote-tracking branch 'upstream/master' into fps2

Conflicts:
	native