Added mail template management functionality for all the application (issues #18 and #19).
Fixed stylesheets for some layouts.
Added needed accessible attributes for creating new permissions.
Removed stub authorization block in MailTemplateCollection, to use their own permissions (issues #18 and #19).
Added autonomic teams (issue #15, task 3.6.1).
Some fixes on permissions
added section for HHRR schools in autonomies and local organizations (issue #16, task 3.6.2 )
renamed InterestedMailer to ApplicationMailer, because this mailer performs mailing for several models
added activist leave status changes requests for users without permission to change leave status, but with permission to edit activist (issue #9, task 3.3.4)
added default value for index filters (addition to issue #3)
added alternative email to interesteds (issue #8, task 3.4.1)
fixed AIcontroller error when a controller has no filters_for_index, related with issue #3
Added mail alerts when an HHRR school assiged organization is set (issue #19, task 3.7.3).
Added interceptor to ApplicationMailer.
Added customizable prefix for all application mails, intended to distinguish emails sent from staging version.
Added some accessible attributes to HrSchool
added email_adresses method to AIOrganization
revised leave, rejoin, clear and delete actions for activists
protected some ApplicationController methods
removed legacy routing for public controller, setting all routes explicitly