Buildfix for Symbian
Also don't convert 16-bit bone weights to float. Fixes a bug from the last similar change.
Don't need to flush on GE_CMD_OFFSET.
silenced compiler pragma warning
compiler warning and const top-level const
removed excess file and general compiler warning clean
Merge pull request #608 from thefarcry118/master

compiler warning and consts
Fix missing menu button and character in The Legend Of Heroes - Trails In The Sky
Make OpenGL always draw something. Where there is no game, display the PPSSPP logo screen.
Add hack for X11 user which can have a crash when opening the first dialog and Gl is drawing.
Remove the "open file" dialog automatic display on startup, very annoying.
Merge pull request #610 from Xele02/qt_work

[Qt-desktop] Make OpenGL always draw something, fix dialog crash.
Merge pull request #609 from raven02/master

Fix missing menu button and character in the Legend Of Heroes - Trails In The Sky
Don't hash vertex buffers every frame (TCP-style backoff up until every 16th)
Saves quite a bit time otherwise spent in CityHash, blowing the dcache every time.
Make it obvious that we do support XB360 controllers (Windows).
Merge pull request #611 from xsacha/master

Buildfix for Symbian
Fix issue with half sized skinned objects in SW transform.
Warning fixes, very minor updates to shader generators.
JIT x86: cvt.s.w
Don't convert texcoords to float either.
Let's not declare vertex arrays as RELIABLE for now.
Fix UV error introduced in previous commit