v5.2.4-snapshot.6-gdea8d8b

BUILD

• update dependencies - logging (slf4j,log4j), itextpdf and jsch
• fix some inspections - unchecked, boxing, casting, unused, deprecations
• fix some issues reported by LGTM
• Improve Travis build process - 2 stages - 1st: only testing; 2nd: only deploy - revise JDKs

Logging

• changed default logging level - Error
• command line switches -debug, -test, -trace increase logging level

Parser

• Linux Parser - initialize DateTimeFormatter only once, not for every line to parse