test commit for whitespaces
fixed concurrency/threading issues
fixed POMs broken by excluding abstract and concurrency tests
added stateful classes which were extracted from their stateless counterparts, e.g. Unifier
applying very uncommon 2-space indentation
use diamond operator
corrected the token that is passed when creating a new MatchState
removed unifiedTokens-field because it's already defined by the parent class
getFileName() should return the provided filename instead of a constant one
added concurrency tests
issue #1 patch by Stefan Lotties to improve thread safety by splitting classes into configuration (thread-safe) and state classes (not thread-safe)
Merge branch 'slotties-master': issue #1 patch by Stefan Lotties to improve thread safety by splitting classes into configuration (thread-safe) and state classes (not thread-safe)
removing the setProperty() call which does not seem to be needed
whitespace cleanup only
some code cleanup, mostly whitespace changes and removing "this." where not needed
remove TODO and improve javadoc