pac: 4.5.2.1-1~getdeb2~raring

  * New upstream version
    . Added Regular Expressions to "Bulk Edit"
    . Added options to let user choose what happens when last tab is closed:
    nothing, close or hide (Preferences -> Terminal options -> Look&Feel)
    . Added "-r scard" option to "rdesktop" method, in order to be able to
    use SmartCard authentication
    . Added SeamlessRDP options to 'RDP' backends
    . Added options to define prompts for: unknown host key, remote host key
    changed and pres any key to coninue
    . Added "--start-shell" command line to auto start a local terminal on
    PAC startup
    . Added some "bash completion" for command line options
    . Added "Clipboard redirection" option for 'xfreerdp' connections (off by
    default: buggy!)
    . Added some "love" to PAC man page
    . Fixed a bug that prevented saving "Width" & "Height" value unless focus
    out those entry boxes on RDP connections edit
    . Fixed some minor gui glitches