Revert removing TakeCover from Shock Trooper and make them Crushable
Make mrj not jam allied missiles
Added a counterpart to the Makefile for Windows users
Closes #4463. Added Shrapnel, as well as variable velocity and arc for bullets
Edited CHANGLOG
Merge pull request #5048 from Unit158/shrapnel

Shrapnel
Merge pull request #5071 from ScottNZ/winmake

Added a counterpart to the Makefile for Windows users
Merge pull request #5070 from ScottNZ/mrj

Make mrj not jam allied missiles
Merge pull request #5069 from cjshmyr/shok

Revert removing TakeCover from Shock Trooper and make them Crushable
Reduce hijacker hp from 80 to 50
Merge pull request #5082 from pchote/dotnetfour

Upgrade to .NET 4.0
Increase ra husk hp from 140 to 280 and increase burn damage
Merge pull request #5086 from ScottNZ/balance

More RA balance tweaks
Update INSTALL

* .NET 4.0 #5082
* SDL 2 #3315
* avoid trademarks
Update INSTALL

we now require a .NET 4.0 compatible compiler
Minor explosion weapon sound fixes
Adds Explode weapons for ships and submarines
Adds visible explosions to ships and submarines
Adds Explosions to all vehicles that didn't have one.
Fix stupid typo, use UnitExplodeSubmarine for MSUB.