fixes #7586, #7734, #7172 - user preferences for receiving mail notifications

Adds a framework for user-selectable mail notifications. The work is
still done in ActionMailer classes and launch by rake in cron, however a
wrapper called MailNotification is used to provide RBAC and make the...

refs #7587 - pwstrength stylesheet is part of app.css, not standalone

Fixes #6710 - unicode characters in url parameters

Original methods to_param defined on resources called name.parameterize
to get rid of url-unsafe characters. This function unfortunately also
stripped off unicode characters.

Changes:
- parameterization extracted into a separate module Parameterizable...

Refs #7587 - Refactor password confirmation

• confirmation status is now linked to password field
• extracted additional missing strings
• simplified jquery selectors
• switched to onKeyUp built in event
• hide progress bar by default
• fixed minor css
• handle empty pw/confirmation...

Fixes #7587 - Adds client-side password validation

Fixes #7588 - pagination info not a button and aligned

Fixes #7491 - moved default org and default location to same tab as org/loc selection

Fixes #6713: Long names needs to be truncated while listing

fixes #5140 - User children taxonomies did not show tooltip 'Parent is already selected'

fixes #6497: New Organization: Focus should exist in Name field