Tweak SCons compilation messages to be more discreet
Tweak SCons compilation messages to be more discreet

All compilation messages are now written in blue to ensure that
compiler errors and warnings stand out more. Messages were also
slightly shortened to make them easier to fit on a single line on
narrow terminals.

vkbsb/godot,vnen/godot,Valentactive/godot,vkbsb/godot,Faless/godot,akien-mga/godot,Faless/godot,ZuBsPaCe/godot,sanikoyes/godot,guilhermefelipecgs/godot,guilhermefelipecgs/godot,pkowal1982/godot,Zylann/godot,Shockblast/godot,akien-mga/godot,Zylann/godot,Zylann/godot,sanikoyes/godot,firefly2442/godot,godotengine/godot,Shockblast/godot,ZuBsPaCe/godot,firefly2442/godot,Zylann/godot,godotengine/godot,godotengine/godot,sanikoyes/godot,sanikoyes/godot,vnen/godot,Zylann/godot,akien-mga/godot,BastiaanOlij/godot,ZuBsPaCe/godot,firefly2442/godot,godotengine/godot,josempans/godot,Shockblast/godot,Faless/godot,vnen/godot,akien-mga/godot,akien-mga/godot,ZuBsPaCe/godot,ZuBsPaCe/godot,Zylann/godot,guilhermefelipecgs/godot,Shockblast/godot,firefly2442/godot,pkowal1982/godot,guilhermefelipecgs/godot,Valentactive/godot,guilhermefelipecgs/godot,BastiaanOlij/godot,akien-mga/godot,vnen/godot,Shockblast/godot,Valentactive/godot,Valentactive/godot,BastiaanOlij/godot,Valentactive/godot,vkbsb/godot,pkowal1982/godot,Shockblast/godot,akien-mga/godot,Faless/godot,Shockblast/godot,josempans/godot,Faless/godot,vnen/godot,BastiaanOlij/godot,firefly2442/godot,sanikoyes/godot,josempans/godot,pkowal1982/godot,Zylann/godot,godotengine/godot,vnen/godot,Valentactive/godot,Faless/godot,Faless/godot,pkowal1982/godot,sanikoyes/godot,Valentactive/godot,guilhermefelipecgs/godot,josempans/godot,firefly2442/godot,BastiaanOlij/godot,pkowal1982/godot,godotengine/godot,ZuBsPaCe/godot,ZuBsPaCe/godot,pkowal1982/godot,guilhermefelipecgs/godot,vkbsb/godot,josempans/godot,josempans/godot,vkbsb/godot,akien-mga/godot,sanikoyes/godot,firefly2442/godot,vnen/godot,BastiaanOlij/godot,josempans/godot,vnen/godot,Zylann/godot,vkbsb/godot,godotengine/godot,Faless/godot,Shockblast/godot,vkbsb/godot,ZuBsPaCe/godot,josempans/godot,BastiaanOlij/godot,BastiaanOlij/godot,firefly2442/godot,guilhermefelipecgs/godot,vkbsb/godot,Valentactive/godot,godotengine/godot,sanikoyes/godot,pkowal1982/godot