Add gitattributesdb support. Update bash startup files. Small changes to other files.

.bash_profile.d/screen

@@ -0,0 +1,48 @@
+#!/bin/bash - not strictly necessary, but helps nano with syntax highlighting.
+
+hash screen >/dev/null 2>&1 && {
+  [[ -e "$HOME/.screenrc-${HOSTNAME%%.*}" ]] && export SCREENRC="$HOME/.screenrc-${HOSTNAME%%.*}"
+  export SCREENDIR="$HOME/.screen-${HOSTNAME%%.*}"
+  if [[ -n "$SSH_TTY" ]]; then
+    if [[ -n "$STY" ]]; then
+      printf "%s\\n\\n" "Screen $STY, window $WINDOW."
+    else
+      SCREENS="$(screen -ls | command grep '[[:alpha:]]' | command grep -E -v '^([[:digit:]]+|No) Socket(s)?')"
+      if [[ -n "$SCREENS" ]]; then
+        printf "%s\\n\\n" "$SCREENS"
+      else
+        printf "%s\\n\\n" "No screens."
+      fi
+      unset SCREENS
+    fi
+  elif [[ -n "$STY" ]]; then
+    printf "%s\\n\\n" "Screen $STY, window $WINDOW."
+  else
+    TTY="$(tty | cut -d/ -f3-)"
+    SCREENS="$(screen -ls | command grep -F "${HOSTNAME%%.*}" | command grep -F "${TTY//\//-}")"
+    # This has to be an echo, not printf.
+    case "$(echo "${SCREENS:--n}" | wc -l)" in
+      0)
+        # No screens found - start a new instance if on a tty.
+        # Disabled this because screens should be started on chuckie not the desktop/laptop.
+        # [[ "$TTY" == tty* ]] && screen
+        :
+        ;;
+      1)
+        # Just one screen - reconnect if it's not dead.
+        if (( $(printf "%s" "$SCREENS" | command grep -c -F 'Dead') == 1 )); then
+          printf "%s:\\n" "Found dead screen for $TTY"
+          printf "%s\\n" "$SCREENS" | sed -e 's/^/    /g'
+        else
+          screen -dr "${TTY//\//-}.${HOSTNAME%%.*}"
+        fi
+        ;;
+      *)
+        # Multiple screens - output a list
+        printf "%s:\\n" "Multiple screens found for $TTY"
+        printf "%s\\n" "$SCREENS" | sed -e 's/^/    /g'
+        ;;
+    esac
+  fi
+  unset SCREENS TTY
+}