LGTM, Travis-CI

- Configure LGTM analysis
- Remove unneeded `libbind-dev` for Travis-CI

.lgtm.yml

@@ -0,0 +1,18 @@
+extraction:
+  cpp:
+    prepare:
+      packages:
+        - build-essential
+        - automake
+        - autoconf
+        - libtool
+        - pkg-config
+        - libpcap-dev
+        - libldns-dev
+        - libyaml-perl
+        - zlib1g-dev
+        - libssl-dev
+    configure:
+      command:
+        - ./autogen.sh
+        - ./configure

.travis.yml

@@ -6,7 +6,6 @@ addons:
     packages:
     - libpcap-dev
     - libldns-dev
-    - libbind-dev
     - libyaml-perl
     - zlib1g-dev
     - libssl-dev