1668 temp branch for live view work

1667 Merged r1666 from trunk: update setmode.lua to sleep after mode change, appears to be required by recent cams - see http://chdk.setepontos.com/index.php?topic=6397.msg81373#msg81373

1666 update setmode.lua to sleep after mode change, appears to be required by recent cams - see http://chdk.setepontos.com/index.php?topic=6397.msg81373#msg81373

1664 Clean up code that generates compile time warnings.

1663 Merged revision(s) 1662 from branches/release-1_0:

1662 Re-align CHDK and CHDK-DE code base (part 3) - http://chdk.setepontos.com/index.php?topic=7601.0 - white space alignment in core, lib and include directories - enable CAM_DETECT_SCREEN_ERASE in camera.h and remove from platform_camera.h files - clean up lib.c and makefiles files to match CHDK-DE

1661 debug log function

1659 Small change to the finsig_dryos / finsig_vxworks code. Output filename is now a parameter rather than using STDOUT. STDOUT is used for info messages (e.g. time taken) and STDERR for error messages. This prevents the time taken message from appearing in the CHDK-Shell error log.

1658 Merged revision(s) 1657 from branches/release-1_0:

1657 Update for SetFileAttributes function for cameras with DryOS version R39 and later (tested on G12, SX30, SX40 and IXUS310). Also includes additional alignment of CHDK-DE and CHDK platform_camera.h files (whitespace changes).

1656 Merged revision(s) 1652 from branches/release-1_0:

1655 Merged revision(s) 1654 from trunk:

1653 Restore missing GPS setting from change 1652 for SX230HS.

1652 Re-align CHDK and CHDK-DE code base (part 2) - http://chdk.setepontos.com/index.php?topic=7601.0 - align more platform files that differed in white space or line order - Add SetFileAttributes function

1650 Fix for potential incorrect bad pixel detection along bottom edge of sensor.