It is not advisable to upgrade photos because, it may leads to incompatible issues. The reason is Shotwell 0.1.1 is based on schema 21 where as the version is 0.18 (or other) based on schema 20.
But even you can view/open photos (images) from shotwell
If still want latest version:
From the output of apt-cache policy shotwell
:
ravan@ravan:~$ apt-cache policy shotwell
shotwell:
Installed: (none)
Candidate: 0.18.0-0ubuntu4
The available version is: 0.18.
You can install with the commands:
sudo apt-get install shotwell-common # to satisfy dependency in my case
sudo apt-get install shotwell
The available version via ppa: 0.20
To install:
sudo add-apt-repository ppa:yorba/ppa
sudo apt-get update
sudo apt-get install shotwell
Note: shotwell 0.22 is not available for freya at present, see here