Some minor improvements to run-gdb.sh

Added pid to the name of the gdbinit file, just to make sure that there weren't any collisions.
If set -x is enabled int he file, it will also print out the contents of the gdbinit file.
Merge pull request #243 from dhylands/dhylands-run-gdb

Some minor improvements to run-gdb.sh
Bug 874065 - Make get_about_memory.py use our fifo, so it should work on an unrooted device.
Merge pull request #249 from jlebar/about-memory-use-fifo-874065

Bug 874065 - Make get_about_memory.py use our fifo, so it should work on unrooted devices.  r=dhylands
Bug 874065 - Update the get_about_memory.py script to pull from /data/local/tmp/memory-reports, to match the Gecko changes in the bug.
Merge pull request #251 from jlebar/about-memory-use-fifo-874065

Bug 874065 - Update the get_about_memory.py script to pull from /data/lo...