Travis: Add server build with clang
Travis: Add server build with clang

DmitriySalnikov/godot,godotengine/godot,groud/godot,josempans/godot,sanikoyes/godot,ZuBsPaCe/godot,Faless/godot,okamstudio/godot,okamstudio/godot,Faless/godot,akien-mga/godot,vnen/godot,ZuBsPaCe/godot,akien-mga/godot,guilhermefelipecgs/godot,BastiaanOlij/godot,ex/godot,pkowal1982/godot,vkbsb/godot,josempans/godot,MarianoGnu/godot,vnen/godot,vnen/godot,groud/godot,okamstudio/godot,Faless/godot,vkbsb/godot,guilhermefelipecgs/godot,josempans/godot,vkbsb/godot,NateWardawg/godot,okamstudio/godot,DmitriySalnikov/godot,Zylann/godot,Valentactive/godot,ZuBsPaCe/godot,RandomShaper/godot,okamstudio/godot,akien-mga/godot,okamstudio/godot,godotengine/godot,josempans/godot,vnen/godot,Valentactive/godot,groud/godot,josempans/godot,okamstudio/godot,akien-mga/godot,Paulloz/godot,ZuBsPaCe/godot,Valentactive/godot,ZuBsPaCe/godot,Paulloz/godot,honix/godot,mcanders/godot,Valentactive/godot,RandomShaper/godot,pkowal1982/godot,Shockblast/godot,ex/godot,guilhermefelipecgs/godot,guilhermefelipecgs/godot,godotengine/godot,MarianoGnu/godot,Shockblast/godot,Zylann/godot,ex/godot,josempans/godot,Zylann/godot,Faless/godot,vnen/godot,NateWardawg/godot,vkbsb/godot,pkowal1982/godot,firefly2442/godot,akien-mga/godot,guilhermefelipecgs/godot,Faless/godot,MarianoGnu/godot,RandomShaper/godot,vnen/godot,pkowal1982/godot,Shockblast/godot,ZuBsPaCe/godot,sanikoyes/godot,BastiaanOlij/godot,guilhermefelipecgs/godot,firefly2442/godot,mcanders/godot,NateWardawg/godot,NateWardawg/godot,BastiaanOlij/godot,pkowal1982/godot,guilhermefelipecgs/godot,NateWardawg/godot,godotengine/godot,honix/godot,MarianoGnu/godot,vkbsb/godot,RandomShaper/godot,Zylann/godot,honix/godot,ex/godot,ex/godot,DmitriySalnikov/godot,BastiaanOlij/godot,MarianoGnu/godot,DmitriySalnikov/godot,MarianoGnu/godot,pkowal1982/godot,pkowal1982/godot,BastiaanOlij/godot,vkbsb/godot,groud/godot,Valentactive/godot,DmitriySalnikov/godot,josempans/godot,godotengine/godot,godotengine/godot,groud/godot,BastiaanOlij/godot,BastiaanOlij/godot,Valentactive/godot,firefly2442/godot,NateWardawg/godot,Zylann/godot,NateWardawg/godot,firefly2442/godot,ex/godot,vnen/godot,okamstudio/godot,sanikoyes/godot,NateWardawg/godot,mcanders/godot,mcanders/godot,Paulloz/godot,firefly2442/godot,sanikoyes/godot,groud/godot,okamstudio/godot,sanikoyes/godot,RandomShaper/godot,vnen/godot,Faless/godot,firefly2442/godot,Shockblast/godot,DmitriySalnikov/godot,godotengine/godot,Faless/godot,MarianoGnu/godot,akien-mga/godot,Paulloz/godot,Shockblast/godot,honix/godot,ZuBsPaCe/godot,Shockblast/godot,Shockblast/godot,honix/godot,vkbsb/godot,Zylann/godot,firefly2442/godot,okamstudio/godot,mcanders/godot,josempans/godot,Faless/godot,ex/godot,Shockblast/godot,pkowal1982/godot,RandomShaper/godot,akien-mga/godot,Valentactive/godot,godotengine/godot,NateWardawg/godot,Paulloz/godot,MarianoGnu/godot,RandomShaper/godot,sanikoyes/godot,honix/godot,DmitriySalnikov/godot,ZuBsPaCe/godot,Paulloz/godot,Zylann/godot,Paulloz/godot,sanikoyes/godot,guilhermefelipecgs/godot,ex/godot,akien-mga/godot,BastiaanOlij/godot,sanikoyes/godot,firefly2442/godot,vkbsb/godot,mcanders/godot,Zylann/godot,Valentactive/godot