#21 added configuration setting and configuration specification for integer.
#21 added integer parameter algorithm interface
and extended example ind algorithm.
#21 added configuration value integer
and set configuration value integer in example algortihm test.
#21 added integer input widget.
#22 added configuration stetting and specification for list of strings (enum)
#22 added configuration value enum
#22 fd algorithm implements enum parameter algorithm
#22 added enum input
and added selected value field to configuration setting enum
#22 renamed enum -> listbox
#22 renamed setConfigurationValue -> set{Type}ConfigurationValue
in all {Type}ParameterAlgorithm
#22 renamed setConfigurationValue -> setIntegerConfigurationValue in IntegerParameterAlgorithm
#97 added error indication in TabWrapper
Merge pull request #101 from HPI-Information-Systems/style

Basic Styling
fixes #97 fixed algorithm dropdown
added test for algorithm chooser
Merge branch 'master' into algorithm_view

Conflicts:
	frontend/src/main/java/de/uni_potsdam/hpi/metanome/frontend/client/TabWrapper.java
Merge pull request #102 from HPI-Information-Systems/algorithm_view

fix algorithm chooser bug
#26 only closing statements that have not already be closed
#26 only closing db connection if it has not been closed already
fixes #28, fixes #26 closing result sets and statements underlying the SqlIterator.java only if they have not been closed before
Merge pull request #104 from HPI-Information-Systems/inputs_closeable

db connections, result sets, and statements are only closed if they have not been previously closed