erp5_web_renderjs_ui: html5_select: event option for notifyChange added. needs for determine event.type on parent gadget

i need it because use span for displaying icons in json form

It defaults to MAX_PARTITIONS, but if needed allows the caller to change the
amount of runs, especially in case if fine grained expectations are needed
from instantiation.

/reviewed-on nexedi/erp5!805

In such case, it must obviously be considered that the ZODB Component Document
was not found and thus fallback on filesystem Document.

2018-11-21 17:05:01,919 WARNING ERP5Type.Dynamic Could not access Portal Type Object for type 'Category Tool'
Traceback (most recent call last):
  File "product/ERP5Type/dynamic/lazy_class.py", line 3
52, in loadClass
    class_definition = generatePortalTypeClass(site, portal_type)
  File "product/ERP5Type/dynamic/portal_type_class.py",
 line 198, in generatePortalTypeClass
    module = erp5.component.document.find_load_module(type_class)
  File "product/ERP5Type/dynamic/component_package.py",
 line 361, in find_load_module
    loader = self.find_module(fullname)
  File "product/ERP5Type/dynamic/component_package.py",
 line 155, in find_module
    component_tool = aq_base(site.portal_components)
AttributeError: portal_components

/reviewed-on nexedi/erp5!799

instead of building HTML in python, it's cleaner and prevent problems when attachments names are HTML entities.

erp5_base portal_actions/jump_related_object: Generic jump action should be lower priority than other dedicated jump actions.

because storing as document depends on erp5_ingestion & erp5_dms

So that conversion is done by a zope activity node and not on a front
node.

fixes from user feedback

/reviewed-on nexedi/erp5!800

Assorted fixes:

 * Fix performance problems on the dashboard graphs by optimizing 
 `SupportRequest_getSupportRequestStatisticsAsJson` 

 * Fix performance problems on RSS by applying a limit correctly
 
 * Fix rendering of RSS in some corner cases security configurations (with documents user cannot view)




/reviewed-on nexedi/erp5!795

Using a cache cookie that is incremented each time an account is added or modified,
we can keep an (almost) up to date list of accounts in the UI.

Fixes #20170221-1812E21

/reviewed-on nexedi/erp5!796

<h1>, <h2> ... currently have a style applied by gadget_nojqm.css that
does not make them look like header.

Apply a local override for now.

The vertial space between two <p> was not different from the vertical
space between two lines in a <p> making it hard to visualize the
boundaries of paragraphs.