Adding new jshint and gitignore from Kibana server project to ease merges

.gitignore

@@ -1,7 +1,8 @@
 .DS_Store
 node_modules
-src/bower_components
+bower_components
 **/*.css
 trash
 build
 target
+.jruby

TODOS.md

@@ -21,4 +21,4 @@
  - **[test/unit/specs/directives/timepicker.js](https://github.com/elasticsearch/kibana4/blob/master/test/unit/specs/directives/timepicker.js)**
    - This should not be needed, timefilter is only included here, it should move
  - **[test/unit/specs/directives/typeahead.js](https://github.com/elasticsearch/kibana4/blob/master/test/unit/specs/directives/typeahead.js)**
-   - This should not be needed, timefilter is only included here, it should move
+   - This should not be needed, timefilter is only included here, it should move

tasks/config/jshint.js

@@ -17,8 +17,9 @@ module.exports = function (grunt) {
       ignores: [
         'node_modules/*',
         'dist/*',
-        'sample/*'
+        'sample/*',
+        '<%= src %>/kibana/bower_components/**/*'
       ]
     }
   };
-};
+};