Make drill and leech work with cg_highPolyBuildableModels 0
Fix warnings related to unused but mandatory missing fields in grenade weapon config file.
Merge branch 'gameplay/viech' into gameplay/master
Fix a linkage warning.
Make navmesh connection editing a little easier.
Add g_power* cvars for controlling human building limitations.
Add g_(alien|human)AllowBuilding cvars.
Remove g_(alien|human)Stage cvars.
Merge branch 'gameplay/viech' into bots+viech
Merge remote-tracking branch 'remotes/origin/bots' into bots+viech

Replace occurences of g_(alien|human)Stage with level.team[ TEAM_(ALIEN|HUMAN) ].stage.