change display of appGitVersion
support for multiline configuation values
Merge branch 'master' of github.com:geops/batyr

* 'master' of github.com:geops/batyr:
  showing all counts of job states on status page
Merge branch 'master' of ssh://nmandery.net:batyr

  support for multiline configuation values
homogenizing http handlers by inheriting from a common base class
making a few more loop variables const
create new REMOVE_BY_ATTRIBUTES job type
nullablevalue template for strings which can be NULL and not just empty
read/write attributeSets for remove-by-attributes from/to JSON
implement removeByAttributes sql query