[Bug 32729] Key bindings not intuitive

[Bruce Cowan]

Public bug reported:
https://launchpad.net/malone/bugs/32729

Affects: eog (Ubuntu)
       Severity: Normal
       Priority: (none set)
         Status: Unconfirmed

Description:
The key to go back an image should be left arrow or up and the key to go
forward an image should be right or down.  Control + PageUp/PageDown
should be used for rotating.