Rer.bandi

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- Fixed issue about expiration date not set [daniele]

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- Fix syntool retrieve in search view (Plone 4.3 compatibility)
[cekk]

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- Fix icons rendering for anonymous users [daniele]
- Fix effective date print in portlet, when effective date isn't set
[cekk]

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- Fixed bando state styles [cekk]
- Fixed metadata names in catalog [cekk]
- Fixed views with new metadata names [cekk]
- Added support for solr in bandi_search [cekk]
- Added versioning support [cekk]
- Removed ATFieldProperty [fdelia]

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- Fixed bando state control [cekk]

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- Fixed bandi portlet fields [cekk]