check for null because clients may be gone already

fixes #3694
add PostBuildEvent to TS

fixes #3689
add commented AfterBuild target

as all the others also have it
load mods on double-click

closes #3166
AudLoader: BinaryReader to StreamExts
StyleCop clean ZipFile
Merge pull request #3742 from Mailaender/stream-exts

Ported everything to StreamExts
Merge pull request #3730 from Mailaender/fuck-msbuild

Added some more crap to the TS csproj file to hopefully make it work properly
remove workaround for very old Mono bugs
officially bump the required Mono version to stable 2.10.X

closes #2597
those old Ubuntu/Compiz versions are not maintained anymore
Binary patch the OSX mono check to 2.10.0 for x86.
Remove obsolete ppc arch from OSX launcher.
Update the mono install prompt text too.
Update source code to match.
bump mono runtime version to 2.10 for Debian
use stream reader extensions for loading ra/cnc Terrain
StyleCop clean Map/*.cs files
More TS cursor sequences.
Adding Nod buildings matching current GDI tech tree (power plant, production facilities).
Improving Weapons Factory exit, enabling RallyPoint (so you don't have to move units out of the way manually).