BibAuthorID: Websearch citation summary regression.

* Fixed indentation error in websearch.

Signed-off-by: Minn Soe <minn.soe@cern.ch>
BibAuthorID: Python 2.6 compatibility fix.

* Identifiers mapping format no longer omit position for
  backwards compatibility with Python 2.6.

Signed-off-by: Minn Soe <minn.soe@cern.ch>
BibAuthorID: Modified default directory for tortoise cache.

* Default directory is now under /opt/invenio/var/cache.
BibAuthorID: Added missing tests to makefile.
BAI: Added missing backslash to tortoise_cache path (ouch)
BAI: Fix for tortoise from aid tables.