extended testcase for ConditionalUniqueColumnCombination toString()
implemented pattern tableau
added \r  for line ending and update expected string in testcase
Merge branch 'SubsetGraph' into pattern_tableau
using pattern tableaus for result
small toString() change
added copy() method to PositionListIndex
Merge branch 'master' into PositionListIndex
example_fd_algorithm now is/implements DatabaseConnectionParameterAlgorithm - so the establishment of a database connection can be tested using the frontend
add placeholder to dbUrlTextbox to provide some orientation for the user
Merge branch 'master' into pattern_tableau
changed return type from Set  to TreeSet as the ordering of the TreeSet ist required by caller
extended pattern tableau by whitespace padding
Merge remote-tracking branch 'origin/pattern_tableau' into PositionListIndex
renamed copy() to clone()
changed ImmutableList to List
check if autoCommit for DefaultDatabaseConnectionGenerator is set to false - if so: commit() before close()
fixed typo in composite
added missing javadocs
added missing javadocs