Add terminal title codes to PS1

[rpl-ian-lunam]

Add bash terminal title codes to PS1, with setting, completion, etc.

[rpl-ian-lunam]

Frequently when ssh'ing around hosts have PS1 set to update the terminal window title to reflect the current hostname and path. When using FancyGit when you come back to your local machine the title remains the last host and path you ssh'd to.

This simple addition adds the same standard terminal window title control chars to PS1, based on an enable/disable setting and includes the auto completion updates.

[rpl-ian-lunam]

Contains four simple commands:

• --enable-term-title-host
• --disable-term-title-host
• --enable-term-title-path
• --disable-term-title-path

Depending on config, will add the hostname and/or path to the title bar of the terminal window using the escape commands. If both are disabled, clears the title - in standard Gnome terminal it displays "Terminal"

[rpl-ian-lunam]