Merge branch 'issue-boards-search' into 'master'

Added search for all lists on issue boards

Adds a search box to allow the user to search all lists in issue boards rather than just the backlog.

![Screen_Shot_2016-08-30_at_10.33.15](/uploads/67e96055d60a9b3209ce3831a1980c09/Screen_Shot_2016-08-30_at_10.33.15.png)

![Screen_Shot_2016-08-30_at_10.33.19](/uploads/8d5253b8f2ecf1cf9a69d70be8ccf1f9/Screen_Shot_2016-08-30_at_10.33.19.png)

Closes #21139

See merge request !6101
Conflicts:
	app/assets/stylesheets/pages/boards.scss
	app/views/projects/boards/components/_board.html.haml

1 files changed, 0 insertions, 9 deletions

diff --git a/spec/javascripts/boards/list_spec.js.es6 b/spec/javascripts/boards/list_spec.js.es6
index c206b794442..1688b996162 100644
--- a/spec/javascripts/boards/list_spec.js.es6
+++ b/spec/javascripts/boards/list_spec.js.es6
@@ -60,15 +60,6 @@ describe('List model', () => {
     }, 0);
   });
 
-  it('can\'t search when not backlog', () => {
-    expect(list.canSearch()).toBe(false);
-  });
-
-  it('can search when backlog', () => {
-    list.type = 'backlog';
-    expect(list.canSearch()).toBe(true);
-  });
-
   it('gets issue from list', (done) => {
     setTimeout(() => {
       const issue = list.findIssue(1);