Lock underscore w/ yarn, add to lib staging, remove from repo.

client/bower.json

@@ -8,7 +8,6 @@
   ],
   "homepage": "usegalaxy.org",
   "dependencies": {
-    "underscore": "~1",
     "backbone": "~1.3",
     "bootstrap": "~3.3.2",
     "bootstrap-tour": "~0.10.2",

client/gulpfile.js

@@ -19,6 +19,7 @@ var paths = {
     lib_locs: {
         'jquery':['dist/jquery.js', 'jquery/jquery.js'],
         'raven-js': ['dist/raven.js', 'raven.js'],
+        'underscore': [ 'underscore.js', 'underscore.js' ],
     },
     libs: ['galaxy/scripts/libs/**/*.js']
 };

client/package.json

@@ -36,6 +36,7 @@
     "jquery": "1.12",
     "jshint": "^2.9.4",
     "raven-js": "^3.17.0",
+    "underscore": "^1.8.3",
     "webpack": "^3.5.5"
   },
   "scripts": {

client/yarn.lock

@@ -4612,6 +4612,10 @@ underscore.string@~3.0.3:
   version "3.0.3"
   resolved "https://registry.yarnpkg.com/underscore.string/-/underscore.string-3.0.3.tgz#4617b8c1a250cf6e5064fbbb363d0fa96cf14552"
 
+underscore@^1.8.3:
+  version "1.8.3"
+  resolved "https://registry.yarnpkg.com/underscore/-/underscore-1.8.3.tgz#4f3fb53b106e6097fcf9cb4109f2a5e9bdfa5022"
+
 underscore@~1.4.2:
   version "1.4.4"
   resolved "https://registry.yarnpkg.com/underscore/-/underscore-1.4.4.tgz#61a6a32010622afa07963bf325203cf12239d604"