Update build system and CI scripts

Change-Id: I4894a30d0cfc7af5de1d272edb70ce9cc4b6d372
diff --git a/wscript b/wscript
index 20711d2..419585f 100644
--- a/wscript
+++ b/wscript
@@ -23,15 +23,13 @@
     conf.check_compiler_flags()
 
 def build(bld):
-    bld.program(
-        target='ndn-traffic',
-        source='src/ndn-traffic-client.cpp',
-        use='NDN_CXX')
+    bld.program(target='ndn-traffic',
+                source='src/ndn-traffic-client.cpp',
+                use='NDN_CXX')
 
-    bld.program(
-        target='ndn-traffic-server',
-        source='src/ndn-traffic-server.cpp',
-        use='NDN_CXX')
+    bld.program(target='ndn-traffic-server',
+                source='src/ndn-traffic-server.cpp',
+                use='NDN_CXX')
 
     bld.install_files('${SYSCONFDIR}/ndn', ['ndn-traffic-client.conf.sample',
                                             'ndn-traffic-server.conf.sample'])