Added search in activity stream

doc/search.markdown

@@ -1,7 +1,8 @@
 Advanced Search Syntax
 ======================
 
-Kanboard uses a simple query language for advanced search.
+Kanboard uses a simple query language for advanced search. 
+You can search in tasks, comments, subtasks, links but also in the activity stream.
 
 Example of query
 ----------------
@@ -12,23 +13,23 @@ This example will return all tasks assigned to me with a due date for tomorrow a
 assigne:me due:tomorrow my title
 ```
 
-Search by task id or title
---------------------------
+Global search
+-------------
+
+### Search by task id or title
 
 - Search by task id: `#123`
 - Search by task id and task title: `123`
 - Search by task title: anything that doesn't match any search attributes
 
-Search by status
-----------------
+### Search by status
 
 Attribute: **status**
 
 - Query to find open tasks: `status:open`
 - Query to find closed tasks: `status:closed`
 
-Search by assignee
-------------------
+### Search by assignee
 
 Attribute: **assignee**
 
@@ -38,8 +39,7 @@ Attribute: **assignee**
 - Query for unassigned tasks: `assignee:nobody`
 - Query for my assigned tasks: `assignee:me`
 
-Search by task creator
-----------------------
+### Search by task creator
 
 Attribute: **creator**
 
@@ -47,23 +47,20 @@ Attribute: **creator**
 - Tasks created by John Doe: `creator:"John Doe"`
 - Tasks created by the user id #1: `creator:1`
 
-Search by subtask assignee
---------------------------
+### Search by subtask assignee
 
 Attribute: **subtask:assignee**
 
 - Example: `subtask:assignee:"John Doe"`
 
-Search by color
----------------
+### Search by color
 
 Attribute: **color**
 
 - Query to search by color id: `color:blue`
 - Query to search by color name: `color:"Deep Orange"`
 
-Search by the due date
-----------------------
+### Search by the due date
 
 Attribute: **due**
 
@@ -83,8 +80,7 @@ Operators supported with a date:
 - Greater than or equal: **due:>=2015-06-29**
 - Lower than or equal: **due:<=2015-06-29**
 
-Search by modification date
----------------------------
+### Search by modification date
 
 Attribute: **modified** or **updated**
 
@@ -94,29 +90,25 @@ There is also a filter by recently modified tasks: `modified:recently`.
 
 This query will use the same value as the board highlight period configured in settings.
 
-Search by creation date
------------------------
+### Search by creation date
 
 Attribute: **created**
 
 Works in the same way as the modification date queries.
 
-Search by description
----------------------
+### Search by description
 
 Attribute: **description** or **desc**
 
 Example: `description:"text search"`
 
-Search by external reference
-----------------------------
+### Search by external reference
 
 The task reference is an external id of your task, by example a ticket number from another software.
 
 - Find tasks with a reference: `ref:1234` or `reference:TICKET-1234`
 
-Search by category
-------------------
+### Search by category
 
 Attribute: **category**
 
@@ -124,8 +116,7 @@ Attribute: **category**
 - Find all tasks that have those categories: `category:"Bug" category:"Improvements"`
 - Find tasks with no category assigned: `category:none`
 
-Search by project
------------------
+### Search by project
 
 Attribute: **project**
 
@@ -133,16 +124,14 @@ Attribute: **project**
 - Find tasks by project id: `project:23`
 - Find tasks for several projects: `project:"My project A" project:"My project B"`
 
-Search by columns
------------------
+### Search by columns
 
 Attribute: **column**
 
 - Find tasks by column name: `column:"Work in progress"`
 - Find tasks for several columns: `column:"Backlog" column:ready`
 
-Search by swim-lane
--------------------
+### Search by swim-lane
 
 Attribute: **swimlane**
 
@@ -150,17 +139,41 @@ Attribute: **swimlane**
 - Find tasks in the default swim-lane: `swimlane:default`
 - Find tasks into several swim-lanes: `swimlane:"Version 1.2" swimlane:"Version 1.3"`
 
-Search by task link
-------------------
+### Search by task link
 
 Attribute: **link**
 
 - Find tasks by link name: `link:"is a milestone of"`
 - Find tasks into several links: `link:"is a milestone of" link:"relates to"`
 
-Search by comment
------------------
+### Search by comment
 
 Attribute: **comment**
 
 - Find comments that contains this title: `comment:"My comment message"`
+
+Activity stream search
+----------------------
+
+### Search events by task title
+
+Attribute: **title** or none (default)
+
+- Example: `title:"My task"`
+- Search by task id: `#123`
+
+### Search events by task status
+
+Attribute: **status**
+
+### Search by event creator
+
+Attribute: **creator**
+
+### Search by event creation date
+
+Attribute: **created**
+
+### Search events by project
+
+Attribute: **project**