crashreporter: Turn off localization for gdb
Fix rotation offset when starting to drag objects
Remove unneeded <iostream> #includes
FindOpenALEFX.cmake: Look in ${OPENAL_INCLUDE_DIR}

So that we will find efx.h if AL is in a non-standard location.
FindGLEW.cmake: Use paths from pkg-config as hints
CMake: Add option abort on missing optional deps
CMake: Add separate option to enable debug output

Before this was coupled with CMAKE_BUILD_TYPE == Debug.

Also, change our debug #define from _DEBUG to ARX_DEBUG to not
conflict with other libraries.
Add an env var to adjust the data search path

$arx_PATH can now be set to a colon-separated (Windows: semicolon-
separated) list of paths to search for data files after the user path
and paths specified on the command-line, but before other system paths.
crashreporter: Ask users to provide detailed info
crashreporter: Add trailing slash to URL
Log the OpenAL vendor on startup

And add it to crash reports.
Log config file location on startup
Log the save game directory on startup
Align log output
Use consistent capitalization in log messages
ColorLogger: Color the message for warnings/errors
Clear pIOChangeWeapon in the Entity destructor
crashreporter: Display attached files as UTF-8