#157 #212 Check number of settings in ConfigurationRequirement and throw an exception instead of returning boolean.
#157 #212 Update comments.
Merge branch 'master' into ConfigurationRequirement
Introduce concept of order dependencies
[#230] introduced ColumnPermutations
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
Merge branch 'master' into ConfigurationRequirement

Conflicts:
	backend/src/main/java/de/metanome/backend/configuration/ConfigurationValueFileInputGenerator.java
#87 Tidy up DefaultFileInputGenerator constructor.
#87 Tidy up FileIterator constructor.
Merge branch 'master' into ConfigurationRequirement
Merge branch 'master' into FileIterator_FileInputGenerator
Introduce order dependencies to the frontend
Merge remote-tracking branch 'upstream/master'
Issue#243: implemented getters for table- and columnIdentifiers
Update docs in ConfigurationRequirement.
Merge branch 'master' into ConfigurationRequirement