twitter, facebook, google plus button in question.html under comment box

import from lp:~ricki-padovani/ubuntu-it-ask/errors
- custom pages error;
- fix bug #1024828
- change search form colors

Risolto bug #1024828
Modificata barra di ricerca del subheader

import from dev trunk:
- change link markdown syntax
- change link markdown syntax
- change sidebar_upper and sidebar_lower position in homepage
- remove sidebar_upper and sidebar_lower from question.html and questions.html
- typo in mysqlfulltext disable module

only a typo in mysqlfulltext disable module

twitter, facebook, google plus button in question.html under comment box

bug #1022251: Some translatable strings are not well i18ned.

import new .po translations from trunk

revert revision 41 due regression in tags page

bug #1022251: Some translatable strings are not well i18ned.

- change sidebar_upper and sidebar_lower position in homepage
- remove sidebar_upper and sidebar_lower from question.html and questions.html

-remove about and faq pages from subheader

- crete new branch for dev-focus
- change link markdown syntax

remove faq and about in subheader

import from trunk

fix various details of previous commit

merge from lp:~ricki-padovani/ubuntu-it-ask/questions
update layout of questions page
new icon for answer in list of questions
various fix

bug #1022251: Some translatable strings are not well i18ned.

hide sidebar_upper and sidebar_lower in question.html and questions.html

- change badges view and related pages
- bugfixes

Create le icone per domande senza risposta, con risposta e con risposta accettata
Piccoli accorgimenti sui colori
Bugfix sparsi

Custom sidebar:
- sidebar_upper at the top;
- remove block visible to unregistred user;

Personalizzati i badges e le relative pagine
Bugfixs sparsi

Merge 114144 into trunk, thanks to Riccardo Padovani:
- New style for logout, profile and users page;
- Minor changes.

- revert changes in skins/default folder, now is exactly as rev 1272 upstream revision
- move wnd.js, see bug #1020256, in light folder;

- fix #1022229: remove capitalization from header contents;
- fix padding-left problem into #CAFull selector;

Iniziata personalizzazione della pagina di modifica dei profili.
Thanks to ~WebbIT

Added localization for JS string.
Thanks to ~milo

Tolta capitalizzazione lettere del menù
Risolto piccolo bug nella visualizzazione profili utente

Fix #1020685:
- add launchpad and ubuntu icons
- disable twitter and facebook auth
- hide auth_request_tempsignin
- add yahoo, launchpad and ubuntu SSO signin method