Added Rakefile and recompiled for testing

Rakefile

@@ -0,0 +1,17 @@
+require 'rake/clean'
+
+src = 'ld10-samba.tex'
+bin = 'ld10-samba.pdf'
+tmp = FileList.new('*.aux', '*.log', '*.nav', '*.out', '*.snm', '*.toc')
+
+CLEAN.add(tmp)
+CLOBBER.add(bin)
+
+task :default => :compile
+
+desc "Compile presentation"
+task :compile => bin
+
+file bin => src do
+  sh "xelatex #{src}; xelatex #{src}"
+end