Complete package of changes - descriptions in commit notes

[wkulesza]

Introduced a lot of changes that include:

• bump dependencies to latest version
• bring query dsl to the table for query generation
• try to combine all apps in one and make use of jcommander for defining start mode
• integrate jetty direct in app so you have 1 solution for everything
• centralize config
• remove or try to modularize as much as possible things that are not really "core"
• integrate jib -- for container generation
• add support for quartz or other executor for correctly scheduling things and avoid cpu time usage by dormant threads
• and many more (including new endpoints)