Modification to permit the automatic metadata creation of an SP to produce a friendlyName for RequestedAttributes.
The current code works as follows. If authsources.php contains the following configuration:

'attributes' => array(
  'eppn' => 'urn:oid:1.3.6.1.4.1.5923.1.1.1.6',
  'mail' => 'urn:oid:0.9.2342.19200300.100.1.3',
  'o' => 'urn:oid:2.5.4.10',
  'cn' => 'urn:oid:2.5.4.3',
  'givenName' => 'urn:oid:2.5.4.42',
),

the metadata generator will produce the XML Metadata as follows:

  <md:RequestedAttribute FriendlyName="eppn" Name="urn:oid:1.3.6.1.4.1.5923.1.1.1.6" NameFormat="urn:oasis:names:tc:SAML:2.0:attrname-format:uri" />
  <md:RequestedAttribute FriendlyName="mail" Name="urn:oid:0.9.2342.19200300.100.1.3" NameFormat="urn:oasis:names:tc:SAML:2.0:attrname-format:uri" />
  <md:RequestedAttribute FriendlyName="o" Name="urn:oid:2.5.4.10" NameFormat="urn:oasis:names:tc:SAML:2.0:attrname-format:uri" />
  <md:RequestedAttribute FriendlyName="cn" Name="urn:oid:2.5.4.3" NameFormat="urn:oasis:names:tc:SAML:2.0:attrname-format:uri" />
  <md:RequestedAttribute FriendlyName="givenName" Name="urn:oid:2.5.4.42" NameFormat="urn:oasis:names:tc:SAML:2.0:attrname-format:uri" />

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Revert "Fix for issue #555. Avoid usage of anonymous functions for backwards compatibility with PHP versions prior to 5.3."

This reverts commit 55a8e255100c226c388192ee608d1cfa9ba72afb.

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Apply commit ec82fe0 again, this time without trying to detect binary values. Apparently, norwegian letters are considered non-printable by ctype_print().

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Revert "Add support for binary attributes in AttributeAddFromLDAP (Issue #620). Also, remove hardcoded attribute names, and detect binary attributes 'automatically'."

This reverts commit ec82fe0480a1891eff80493e5a95e66984c3ac2a.

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Add support for binary attributes in AttributeAddFromLDAP (Issue #620). Also, remove hardcoded attribute names, and detect binary attributes 'automatically'.

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Remove more legacy code that's no longer necessary since we are requiring PHP >= 5.3.0. Deprecate SimpleSAML_Utilities::generateRandomBytesMTrand().

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