Regenerates the translation templates and updated the Galician (gl) translation
Remove unused code for partial background rendering

Once upon a time we had an 'optimisation' to render the background
only when needed.

There was still some cruft left, which is removed in this commit.

Fixes #1135
Merge pull request #1136 from stefanbeller/master

Remove unused code for partial background rendering
Properly handle merge stacks in equipment inventory

Fixes #1137
Merge pull request #1138 from dorkster/fixes

Properly handle merge stacks in equipment inventory
Merge pull request #1132 from Gallaecio/gl

Regenerates the translation templates and updated the Galician (gl) tran...