Allow to export a selection of packing lists lines moving products in
spreadsheet format

Due to unproper diff

This reverts commit 2259e304.

* having a "?" before the parameter will allow chromium to encode the search parameter

erp5_officejs: Change command symbol from "$" to "!"

erp5_officejs: bookmark list, add reference column

- Add two charts in homepage to show the statistc information about Support Request.
- Show recent activities of Support Requests.
- Add fast input dialog to allow user to create new Support Request.
- Allow user to submit comment when creating new Support Request or in Support Request view.

Post is a comtainer which contains raw data without any metadata.
A post can be seen as any item send or received by an instant message application.
HTML Post is one type of post, which contains richtext in HTML and UTF-8.
Eugene Shen wrote a post system before, which inpired us. This bt5 is a
new implementation which under Tristan Cavelier's guide.

External dependencies are there

Run existing qunit test in zelenium framework, to easily integrate it in current test suite.