Updated czech translation
Finished czech translation
updated translation-it to jan-30

jan-30 included
new: spoiler support for opencaching.de
Merge pull request #2437 from triakcz/czech_translation

Czech translation
Merge pull request #2438 from RomNexus6/patch-37

updated translation-it to jan-30
new: log images for opencaching.de
change wording from "GC code" to "geo code"
#2347: map common cache attributes of opencaching
Remove background attributes on layouts

If a background attribute is set on both a layout and a theme, the
background is drawn twice. Since our themes define a background color,
there is no need to set it on individual layouts too.
Adding missing german translation
Merge pull request #2442 from Lineflyer/master

Adding missing translations
respect exclude options when searching OC caches
don't load image urls when getting OC cache lists
Restore background color for light theme
fix #2444: wrong "light theme" French translation
Merge branch 'release' into upstream
Refactoring: simplify variable computation
Use two methods to do two different things

Checking the parameters nullness to determine the function to perform is
a bad practice.
Remove obsolete javadoc