Implemented download of CSV
now support csv download from a query
Merge pull request #1859 from marcolazzara/develop

now support csv download from a query
Merge branch 'hotfix-1.6.2' into develop
Merged official 1.6.2 (hotfix-1.6.2 branch) into 2.0-SNAPSHOT (develop branch)
Issue with wrong data conversion of query parameter is fixed.
Issue #1841 was fixed.
OS JNA libraries are ignored by default.
Forced fsynch everytime the database configuration changes
Resolved merge conflicts
Revert "Resolved merge conflicts"

This reverts commit 01d7ca290e28afd6209ee2325cc1ed46e819a1c7.
Resolved merge conflicts
NPE in WAL was fixed.
Merge remote-tracking branch 'origin/hotfix-1.6.3' into hotfix-1.6.3
Fixed problem on Hazelcast shutdown reported on https://github.com/orientechnologies/orientdb/commit/119425159d1a92d43da1a26816dababde18e8558#commitcomment-4842814
Fixed bug on managind DATE types: before to truncate HH, MM, SS and SSS the database's calendar is got
Issue #1880 cluster page changes were excluded in separate methods.
NotUniqueIndex: fixed back compatibility
Restored missed file in 1.6.2
Merge branch 'hotfix-1.6.3' of https://github.com/nuvolabase/orientdb into hotfix-1.6.3
Hash index iteration was fixed.