Fixing paths to FlickrNet library

This addresses the issue that some people were having when attempting
to load the project.  It now points to the version of FlickrNet inside the solution
Moving Image resources to the proper location

Adding the image resources so they will be properly referenced at runtime
Updated main page and auth page

Updaded the Welcome page to utilize the grid layout.  Also pointed
the "Start" link to the existing Auth page (formerly "Main").
Attempting to fix merge conflicts
Merge branch 'master' into mathura_dev

Conflicts:
	Photo-Rainbow/Main.xaml
	Photo-Rainbow/Welcome.xaml
	Photo-Rainbow/Welcome.xaml.cs
	Photo-Rainbow/login.xaml
Cleanup of files

Cleaned up some problem files that had some merge conflicts.  Removed a few extraneous files.