Merge pull request #473 from SimSaw/master

DOCS: Updated German translation.
RELEASE: This is 1.8.0git
I18N: Update Ukrainian translation
I18N: Update Russian translation
I18N: update translations.dat
NEWS: Added stub for 1.8.0
TSAGE: Fix for loading savegames in the R2R Flub tube maze
TSAGE: Remove mutex locks that were causing occassional deadlocks
NEWS: Add missing dot.
YOVEUR: Enable engine by default.

We ship this with 1.7.0 according to our release plans, thus it should really
be enabled by default.
ANDROID: Reinstate overscan margin resource for OUYA/GoogleTV

This reverts commits 51cb7557 and 2648062d.

Please note that Android SDK Platform Tools r06 or later is needed
to build ScummVM.
CONFIGURE: Fix compilation on IRIX.

Fixes bug #6666 "IRIX: configure mistakenly detects
$_host_alias-strings".
VOYEUR: Fix to show cursor after loading savegame
TSAGE: Fix incorrect scene item resource in Ringworld 1
Symbian: mpeg.cpp has moved from Video to Image codec folder.
Symbian: Added new engine to list
I18N: Update Belarusian translation (patch #1605)
I18N: Update Galician translation (patch #1604)
I18N: Update the norwegian (bokmål/nynorsk)-translations a bit
I18N: Update Swedish translation (patch #1607)