Fixes a concurrancy problem with a HashMap
Merge pull request #13 from stenbacka/concurrency-problem-SNC-fix

Fixes a concurrancy problem with a HashMap
Better error handling in ESS and minor fixes

Lucene directories are not closed if the update process in ESS failes

Fixes a typeo in ESS that caused the dependent service feature to not
work.

Removes two log statement that were printed a bit to often.
Merge pull request #14 from stenbacka/ess-fixes-and-stuff

Better error handling in ESS and minor fixes
Escapes regex chars in pagepart handling

Dollar signs in the handling of pageparts (appendPagePartTemplates) caused
the method to crash. Now the characters are escaped.
Merge pull request #15 from stenbacka/links-in-pageparts-fix

Escapes regex chars in pagepart handling