Merge branch 'master' into develop
# Conflicts:
# lams_admin/conf/language/lams/ApplicationResources.properties
# lams_admin/conf/language/lams/ApplicationResources_el_GR.properties
# lams_admin/conf/language/lams/ApplicationResources_en_AU.properties
# lams_tool_laqa/web/learning/LearnerRep.jsp
# lams_tool_laqa/web/learning/RevisitedLearnerRep.jsp
# lams_tool_mindmap/conf/language/lams/ApplicationResources.properties
# lams_tool_nb/conf/language/lams/ApplicationResources.properties
# lams_tool_notebook/conf/language/lams/ApplicationResources.properties
# lams_tool_pixlr/conf/language/lams/ApplicationResources.properties
# lams_tool_pixlr/conf/language/lams/ApplicationResources_el_GR.properties
# lams_tool_scratchie/conf/language/lams/ApplicationResources_el_GR.properties
# lams_tool_scribe/conf/language/lams/ApplicationResources.properties
# lams_tool_spreadsheet/conf/language/lams/ApplicationResources.properties
# lams_tool_survey/conf/language/lams/ApplicationResources.properties
# lams_tool_task/conf/language/lams/ApplicationResources.properties
# lams_tool_task/conf/language/lams/ApplicationResources_el_GR.properties
# lams_tool_vote/conf/language/lams/ApplicationResources.properties
# lams_tool_wiki/conf/language/lams/ApplicationResources.properties
# lams_tool_wiki/conf/language/lams/ApplicationResources_el_GR.properties