nlsr: Adding upstart, postinst, and preinst scripts

NLSR will not be operable until properly configured and proper certificates manually created.
diff --git a/nlsr/Makefile b/nlsr/Makefile
index 9cc8386..f9bfdbb 100644
--- a/nlsr/Makefile
+++ b/nlsr/Makefile
@@ -11,6 +11,6 @@
 VERSION=0.1~rc0.3
 
 # PPA version
-PPA_VERSION=1
+PPA_VERSION=2
 
 include ../packaging.mk