VIDEO: Fix getTime() when a video is not playing
SCI: Add extra comments to new detection entries. No functional changes.
SCI: Remove duplicate detection entry

There is no indication in the corresponding bug report this was for
an Amiga version.
OPENGL: GL_BGRA does not exist in every GLES implementation.

* It definately does not exist in the GLES implementations I can test with.
* Don't configure if USE_GLES is set.
CONFIGURE: Add case for selecting OpenGL ES support on the OpenPandora.
OPENGL: Fix RGBA8888 mode setup.
GRAPHICS: Add a DPI parameter to loadTTFFont.

Will be used by WME.
AUDIO: Fix "if" formatting in QDM2 code.
CREATE_PROJECT: Fix "if" formatting.
DINGUX: Fix "if" formatting.
TSAGE: Fix "if" formatting.
TESTBED: Fix "if" formatting.
CINE: Fix masking in Operation Stealth.
CINE: Slight cleanup.
WINTERMUTE: Get rid of strncpy+manual termination.
WINTERMUTE: Make missing-file warnings a debugC

The sound-system attempts to open files in various formats, some of which may not exist, no reason for these to fill the console with output.
WINTERMUTE: Make RTL skip any "are you sure?"-dialogs.

The user has already quite intentionally opened the GMM and clicked "return to launcher"
additionally the GMM can be launched at any time, but the "are you sure"-message can't
always be shown, for instance if the user is already in some in-game menu, or a video is
playing.
WINTERMUTE: Format platform_osystem.cpp, wintermute.cpp and detection_tables.h
WINTERMUTE: Silence a few float-cast warnings.
SCI: Add KQ5 Spanish DOS detection entry from bug #3555646.