Ignore .suo files

Avoid annoying commit requests for .suo files.
Make LookAt from login response public

look_at returned from the login response message is now available public
and can be accessed using GridClient.Self.LookAt. This solves a problem
where the actual look direction gets destroyed somewhere in the login
process.
Initial GTK version of GridProxy
Perms
WIP: Main message scroller rudimentally working
Adding columns in a proper way
Added stats and ability to turn off auto-scroll
More progress
Inspector 1st pass done
Inspector 2nd pass done, colorization
Don't specify font size
Mac support
Coding standard
GridProxyGUI is not handled by prebuild
Added about dialog, menu action stubs
Session saving and loading implemented
Save full Uri to session file
Move file handling to a different file
Don't crash when starting proxy fails
Fix colorization of headers and saving of files