enable php 7.2 in travis and fix repository (#797)

This was really amusing to watch @arcdigital attempt to do.

.travis.yml

@@ -1,9 +1,13 @@
 language: php
 dist: trusty
 php:
-  - '7.0'
-  - '7.1'
-#  - '7.2'
+  - 7.0
+  - 7.1
+  - 7.2
+matrix:
+  fast_finish: true
+  allow_failures:
+    - php: 7.2
 sudo: false
 cache:
   directories:

app/Repositories/Eloquent/LocationRepository.php

@@ -18,11 +18,6 @@ class LocationRepository extends EloquentRepository implements LocationRepositor
 {
     use Searchable;
 
-    /**
-     * @var string
-     */
-    protected $searchTerm;
-
     /**
      * {@inheritdoc}
      */