remove wget from dependencies
loglevel set to 1 by default (log errors, was 0 = nothing)
also in gate, loglevel set to 1 by default
change the way webserver files are served

	user call back is called first
	cleanly ignore ./ if present in file names
	content-type defaults to text/plain
	.ico files are text/plain too
this commit allows a smooth build even without gwt-devkit
put gate/libgate/webgwt.[ch] in repository
gwt/war is not anymore in repository
if any gwt-java file is modified, ant will be needed to rebuild gate/libgate/webgwt.[ch]
allow dynamic library to be built
new package
	update changelog
	add dynamic library package and dependencies