phoss SMP 5.2.1

• Added default robots.txt that disallows every indexing
• Added new configuration property smp.rest.payload.on.error (was also added to the status JSON)
• The display names of document types and processes can now be customized (see issue #112)
• Fixed NPE when creating a half-filled BusinessCard with MongoDB backend
• Using my fancy new logo - thx to Maria Petritsopoulou - http://stirringpixels.com/
• Fixed NPE when a Proxy server was configured for "http" and "https"
• The certificate information page now got a button to reload the Peppol Directory client configuration
• Changed all texts from "PEPPOL" to "Peppol" where applicable
• Fixed an internal overflow error for the certification validity period display text
• Expired certificates in the trust store are now displayed on the "Tasks/problems" page (see issue #120)
• Added possibility to easily update all participants in the Directory (see issue #116)
• Using MongoDB as the global ID provider, including a migration script