GmailAgent help files.

Update: The latest kipiplugins, used by digikam, has support for GmailAgent.
So you should first check if there's a email agent named 'GmailAgent' in the
digikam email window.

Setup digikam:
- Start digikam and select some images from a album.
- Press the right mouse button and choose from the pop-up menu 'Email images...'
- Choose the 'Mail' icon, on the left.
- As mail agent choose 'Thunderbird' and set the path to where your GmailAgent
  executable is located. The executable is called 'GmailAgent.py'.
- Hit the 'Ok' button and GmailAgent will be started with te selected files
 as attachments.

Setup Gthumb:
- Start Gthumb and select some images.
- Press the right mouse button and choose from the popup menu 'Open with..'
- In the window that is shown, give the complete GmailAgent.py path in the
  'Application:' entry box at the bottom.
- Press 'Open' and GmailAgent will be started with the selected files as attachments.