Gettextify most of disease.cpp.
Gettextify the rest of disease.cpp.
Change dis_msg to 4-space indent because i touched so much of it anyway.
Add missing break statement to case DI_BOULDERING in dis_msg().
disease.cpp: Remove indent on some multiline strings.
Change dis_description() to 4-space indent because i touched most of it.
Make disease descriptions much easier to translate.
Reindent dis_name() because i touched all of it.
Soldering iron fix
Add some missing full-stops and make some spacing more consistent.
Gettextify main interface and inventory.
uimenu: page up / page down support for large scrolling lists
Fix link to issue tracker
Fixed giblet spawning.

Monsters would gib only in respect to the x axis due to a typo.
Made items draw infront of blood splatter

Fixes issue #1844.

The bug was introduced in f176e822538d63397dd70b917ac429f998c3c402.
Merge more gettext annotation, soldering charge fix, phup/pgdown support for menus, URL fix, gibbing fix, and drawing fix.