Tabbed layout

Left hand pane is now tabbed to make room for new features.
Marble map tab added for georeferencing

Download google sat maps from:
git://gitorious.org/marble-restricted-maps/googlesat.git
File watcher turned off, define "FILE_WATCHER_ON" to enable

Image viewer will not longer auto-reload an image if it is changed on
the drive. Effectively, this means if a target marker is placed on one
DIV, another DIV watching the same file must be forced to re-load it
manually.
"Open Directory" action now sets priority path

Auto-sets priority path to a sub-directory of the directory chosen in
the file chooser. Future versions need to allow th user to choose the
priority path as well.
Context menu added to watch folder listview
Added Remove and Add functionalities to context menus
Support for file name gps tagging
Small fix

Though I'm not sure it's a fix
File system polling added to support network drives

Timer used with setRootPath tricks to get the QFileSystemModel to
update. The DIVFileSystemModel was implemented to give me access to the
protected members, of course this proved unneeded. However, this child
class could be used in the future to abstract the timer and update.
Exif loading error handling; CLI option for config path