fixed use of attrs in photos.t
updated mojo_full script
fix selectors used in t/blogs.t
remove deprecated deploy arguments (fixes warnings during tests)
push required Mojolicious version to 4.0

Of course 5.0 or better would be preferred, but they will get the newest
from cpan anyway
Merge pull request #9 from jberger/master

Several fixes for newer Mojolicious versions. Trusting @jberger on this one.