unbreak the OpenRA.Game.exe start menu link

fixes #5448
also watch master and next for deployment
we don't support SDL 1.2 anymore
replace libraries with SUSE Linux Enterprise 11 SP3 binaries
Formatting fixes.

Spaces to tabs, indents, etc.
Merge pull request #5461 from Mailaender/sle-libraries

Replaced libraries with SUSE Linux Enterprise 11 SP3 binaries
Merge pull request #5456 from Mailaender/travis-next-master

Adjustments to Travis CI
Merge pull request #5449 from Mailaender/nsis-lua-outpath-breakage

Fixed the OpenRA.Game.exe start menu link
Merge pull request #5412 from RoosterDragon/formatting

Formatting
give concrete a color that is distinguishing from sand
Small Correction to one of the music names.

Taken from Frank Klepacki's Website
Merge pull request #5481 from Generalcamo/patch-8

Small Correction to one of the music names.
Merge pull request #5480 from Mailaender/d2k-concrete-color

Fixed concrete having the same radar color as sand.
Add single-player mission 'Intervention'
Merge pull request #5483 from obrakmann/some-map

Add a lua-powered single-player mission