Move jquery from libtextsecure components

Jquery is not required by libtextsecure, but our test coverage tool,
blanket, depends on it.

// FREEBIE

Gruntfile.js

@@ -64,6 +64,7 @@ module.exports = function(grunt) {
       },
       libtextsecuretest: {
         src: [
+          'components/jquery/dist/jquery.js',
           'components/mock-socket/dist/mock-socket.js',
           'components/mocha/mocha.js',
           'components/chai/chai.js',

bower.json

@@ -139,7 +139,6 @@
       "autosize"
     ],
     "libtextsecure": [
-      "jquery",
       "long",
       "bytebuffer",
       "protobuf"