Fix for travis test without config variables

Author: ed7coyne

examples/Firething_ESP8266/Firething_ESP8266.ino

@@ -23,6 +23,9 @@
 #include <ESP8266WiFi.h>
 #include <Thing.h>
 
+// No config variables.
+// Everything is handled through portal.
+
 thing::FireThing fire_thing;
 
 void setup() {

test/travis/check_all_examples_use_standard_init.sh

@@ -1,11 +1,13 @@
 #!/bin/bash
 FBASE_SNIPPET=test/travis/firebase_init.cc.snip
 FBASE_NOAUTH_SNIPPET=test/travis/no_firebase_init.cc.snip
+FBASE_NOCONFIG_SNIPPET=test/travis/no_config_init.cc.snip
 for example in `find examples/ -name *.ino`;
 do
   echo $example;
   (xxd -p $example | tr -d '\n' | grep -q `xxd -p $FBASE_SNIPPET | tr -d '\n'`) ||
   (xxd -p $example | tr -d '\n' | grep -q `xxd -p $FBASE_NOAUTH_SNIPPET | tr -d '\n'`) ||
+  (xxd -p $example | tr -d '\n' | grep -q `xxd -p $FBASE_NOCONFIG_SNIPPET | tr -d '\n'`) ||
   if [ $? -ne 0 ];
   then
     echo $example does not contain standard defined in test/travis/*_init.cc.snip.

test/travis/no_config_init.cc.snip

@@ -0,0 +1 @@
+// No config variables.