i18n: extract new messages
i18n: Some corrections and new german translations
i18n: Minor changes according to feedback
Merge pull request #333 from carschroeder/new-german-translations-16april

Corrections and new German translations
Only allow email login in HHU preconfiguration (will be evaluated in detail in the usability study, so this is not permanent)
add italian translation
If welcome is enabled, use it to recover from a forgotten password (Closes hhucn/adhocracy.hhu_theme#243)
Add an Edit button for static pages (hhucn/adhocracy.hhu_theme#230)
Improve password reset message when welcome_back is enabled
Improve design of password reset form (hhucn/adhocracy.hhu_theme#152)
Add an option to prevent self deletion (hhucn/adhocracy.hhu_theme#226)
Enterprising users often click on everything that looks even remotely clickable. Since deletion is a prominent button at the moment and not really needed in closed instances, add a configuration option adhocracy.allow_self_deletion (defaults to true) that can be toggled to prevent users from deleting themselves.
Add Italian translation (part 2)

Addendum to 59270078987e96fe30ebc63a11b0d67ca0ce1022 (#335) - add
Italian to available language list.
Use current piwik tracking code

* New code is asynchronous
* Remove unneeded extra HTML tags
Add helper convenience function h.site.relative_urls
Better subdomain tracking

If Adhocracy is configured without relative_urls, subdomains are an
essential part of the platform and doesn't represent multiple separate
websites.

From the Piwik docs:

* Track visitors across all subdomains of adhocracy.de

    So if one visitor visits x.adhocracy.de and y.adhocracy.de, they
will
    be counted as a unique visitor.

* Prepend the site domain to the page title when tracking

    So if someone visits the 'About' page on test.adhocracy.de it will
be
    recorded as 'test / About'. This is the easiest way to get an
    overview of your traffic by sub-domain.

* In the "Outlinks" report, hide clicks to known alias URLs

    So clicks on links to Alias URLs (eg. x.domain.com) will not be
    counted as "Outlink".
Fix new comment link for non-javascript use
Change add comment header
i18n: extract new messages
i18n: update translations
Move reset-password form style to stylesheet