[moz/cfg] Remove --no-keep-memory
[moz/cfg] Don't disable webrtc in debug
[moz/cfg] Disable debug in opt builds
[moz/cfg] Comment out no longer needed HOST_CFLAGS hacks for asan
[bin/zram_stats] Added (from compcache tools)
[bashrc,bin/util] Add get_x_session to util.sh, make connectx() use it
[bashrc,bin/util] Add util.sh color functions