Edited Unassigned: run_tests.sh clobbers LD_LIBRARY_PATH [64]

On the current Git master, the `Release/tests/Common/TestRunner/run_tests.sh` script sets `LD_LIBRARY_PATH` to the current directory (`.`), but wipes out any other parts of the path that were already in the environmental variable. This makes it impossible to use with e.g. Debian Wheezy (7.2) and a compiled-from-source GCC 4.8 that lives in its own folder without modifying the file, because the dynamic linker can't find the standard libraries that come with the compiler.

The suggested fix would be to change line 10 from `export LD_LIBRARY_PATH=.` to `export LD_LIBRARY_PATH=".:$LD_LIBRARY_PATH"`, which appends the current directory to the library path instead of replacing it.

Thanks!