Remove debug trace from GSSAPI code branch

A debug instruction was forgotten in the GSSAPI code. This caused
increased CPU load and a lot of clutter when running LSC from a shell

Values not removed from destination JDBC Database #80

Fix travis build: switching to openjdk8

Add feature #27: Map binary value in dataset and relevant unit testing.

Dean authored Jun 20, 2018 and Clément OUDOT committed Jun 21, 2018

Configuring multiple plugin packages e.g

-DLSC.PLUGINS.PACKAGEPATH=foo.bar.plugins.configuration.file:foo.bar.plugins.configuration.ext

fails on Windows

Fix #40 async task connection reset after 15 minutes & fix travis

Test fails on openjdk7 with error : "A security class cannot be found in this JVM because of the following reason: sun.security.x509.CertAndKeyGen". See https://bugster.forgerock.org/jira/browse/OPENDJ-2247 : solution to upgrade to opendj 2.6.4 (instead of current 2.6.2) is not an option, this version not being distributed freely by Forgerock (see http://maven.forgerock.org/repo/community/org/forgerock/opendj/opendj-server/)

oraclejdk7 is not supported anymore in Travis, see https://github.com/OpenRefine/OpenRefine/issues/1223

Switching to forgerock ce opendj #16

Switching forgerock maven repository to http://maven.forgerock.org/repo/community and opendj groupId to org.forgerock.ce.opendj since forgerock release repository not public anymore.

Prevent thead executor pool's queue to saturate when running large amount of sync entries

Setting ThreadPoolExecutor.maximumPoolSize to the nb of thread set by users through command line or default value (5) to avoir OutOfMemory error when too many entries are synchronized (> 50000).