#186 Make all classes involved in rpc IsSerializable.
Merge branch 'master' into IsSerializable
#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
Merge branch 'master' into IsSerializable
#117 Update db-schema pptx: add data types.
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 IsSerializable
Merge branch 'master' into db-schema-description
Merge branch 'master' into ConfigurationRequirement

Conflicts:
	backend/src/main/java/de/metanome/backend/configuration/ConfigurationValueFileInputGenerator.java
#24 Added exception wrapping constructor to all exceptions.
#24 Use wrapper constructor if possible.
Update error messages in frontend.