LDAP import: groupid may be in 'cn' or 'fullname' attribute.

Handle both cases gracefully.
Merge pull request #125 from 4teamwork/lg-ldap-import-groupid-mapping

LDAP import: Group ID may be in `cn` or `fullname` attribute - deal with it
LDAP util: Added method to list all objectClasses defined in schema.
Merge pull request #127 from 4teamwork/lg-ldaputil-get-object-classes

LDAP Util: Add method to list all objectClasses defined in schema.
LDAP util: When checking if attributes are multivalued, store results in a cache.

This prevents us from hitting the schema more often than necessary, and, as a side
effect, causes warnings about attributes not declared in schemata to be printed
only once.
Merge pull request #128 from 4teamwork/lg-ldap-util-cache-multivaluedness

LDAP Util: When checking if attributes are multivalued, store results in a cache
LDAP util: Only use PagedResults controls if the server advertises to support them.
Added option to just build one subpackage with i18n-build.
Add short usage text for the bin/i18n-build script.
Merge pull request #95 from 4teamwork/lk_95_i18n-build_one_subpackage

Added option to just build one subpackage with i18n-build.
Fixed unicode encoding bug in search for autocomplete of ContactsVocabulary.
Merge pull request #129 from 4teamwork/lg-ldaputil-check-for-paged-results-controls

LDAP Util: Only use PagedResults controls if the server advertised to support them
Pep8.
Merge pull request #126 from 4teamwork/lk_126_unicode_vocabulary

UnicodeEncodeError in send_documents form (EmailContactsAndUsersVocabularyFactory)
Removed docucomposer.
Merge pull request #114 from 4teamwork/lk_move_docucomposer

Remove all traces of DocuComposer from og.core