[Web] Enable Web exporter in non-dev mode.
[Web] Enable Web exporter in non-dev mode.

We now have a working OpenGL3/WebGL2 renderer, but extra work is needed
in project manager and editor to simplify the creation of OpenGL3
projects.

BastiaanOlij/godot,ZuBsPaCe/godot,BastiaanOlij/godot,Shockblast/godot,godotengine/godot,pkowal1982/godot,josempans/godot,ZuBsPaCe/godot,sanikoyes/godot,Shockblast/godot,josempans/godot,ZuBsPaCe/godot,josempans/godot,vkbsb/godot,guilhermefelipecgs/godot,vkbsb/godot,BastiaanOlij/godot,BastiaanOlij/godot,Shockblast/godot,pkowal1982/godot,guilhermefelipecgs/godot,pkowal1982/godot,guilhermefelipecgs/godot,vkbsb/godot,sanikoyes/godot,Shockblast/godot,godotengine/godot,ZuBsPaCe/godot,godotengine/godot,guilhermefelipecgs/godot,pkowal1982/godot,guilhermefelipecgs/godot,sanikoyes/godot,pkowal1982/godot,vkbsb/godot,godotengine/godot,Shockblast/godot,vkbsb/godot,sanikoyes/godot,vkbsb/godot,josempans/godot,pkowal1982/godot,pkowal1982/godot,godotengine/godot,Shockblast/godot,sanikoyes/godot,Shockblast/godot,ZuBsPaCe/godot,sanikoyes/godot,josempans/godot,pkowal1982/godot,ZuBsPaCe/godot,godotengine/godot,sanikoyes/godot,BastiaanOlij/godot,sanikoyes/godot,ZuBsPaCe/godot,BastiaanOlij/godot,guilhermefelipecgs/godot,josempans/godot,josempans/godot,josempans/godot,Shockblast/godot,ZuBsPaCe/godot,godotengine/godot,guilhermefelipecgs/godot,guilhermefelipecgs/godot,godotengine/godot,vkbsb/godot,BastiaanOlij/godot,BastiaanOlij/godot,vkbsb/godot