[CDE-395] When a new dashboard is created, the renderer type should be bootstrap by default
	- empty.wcdf ( read: the wcdf that holds the basic parameters for a new dashboard ) now includes the rendererType ( set to 'bootstrap' )
	- updated cde-core's cdf-dd-layout failsafe mechanism for rendererType definition from 'blueprint' to 'dashboard'
	- documentation @ http://redmine.webdetails.org/projects/cde/wiki/Setting_up_the_default_renderer_for_new_CDE_Dashboards
Merge pull request #185 from pedrofvteixeira/CDE-395

[CDE-395] When a new dashboard is created, the renderer type should be b...
Merge pull request #186 from davidmsantos90/master

[CDE-392]: When using Bootstrap renderer, adding a table should make the...
Allows the accordion menus to be collapsed back

This helps people with OCD like me or just those who don't like scrolling along long lists.
Merge pull request #187 from marpontes/patch-1

Allows the accordion menus to be collapsed back