tep-1013: implementation and tests

Support for new 'accounts.chart-of-accounts' cfg key,
also cleaned up at the same time embedded cfg structure
(no separate files inside jar).

Signed-off-by: 35V LG84 <35vlg84-x4e6b92@e257.fi>
3 jobs for tep/tep-1013-cfg-coa-change in 11 minutes and 25 seconds
Status Job ID Name Coverage
  Test
passed #933126904
codecov

00:07:00

99.82%
passed #933126902
test·jdk11

00:11:25

passed #933126903
test·jdk8

00:09:36