Merge remote-tracking branch 'origin/master'

Version 3.1.3

Version 3.1.2

Makes compatible with GLPI 9.3 search engine

With GLPI v9.3 (and v9.3.1), changes were made in the GLPI API, some
methods where deprecated/renamed (eg. CommonDBTM::getSearchOptions(),
Location::getSearchOptionsToAdd()), other changed their expectations
about arguments (eg. countElementsInTable()).

This commit makes the code complies with theses changes.

Issue: #31

Version 3.1.1.

Version 3.1.0

Merge branch 'release-3.0.4b2'

This commits releases version 3.0.4b2.

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Version 3.0.3

Tag: 3.0.2-GLPI_0.80

Tag: 3.0.1-GLPI_0.80