started InputParameter refactoring
Merge remote-tracking branch 'origin/master' into dev_jakob

Conflicts:
	frontend/src/main/java/de/uni_potsdam/hpi/metanome/frontend/client/parameter/InputParameterWidget.java
attempting merge
add gitignores to enable merging
manual merge
create ConfigurationSetting for Strings
Merge remote-tracking branch 'origin/master' into dev_jakob
refactor InputParameter
made backend a java 7 project
Merge remote-tracking branch 'origin/dev_jakob' into dev_claudia

Conflicts:
	frontend/src/main/java/de/uni_potsdam/hpi/metanome/frontend/client/parameter/InputParameterBooleanWidget.java
	frontend/src/main/java/de/uni_potsdam/hpi/metanome/frontend/client/parameter/InputParameterDataSourceWidget.java
	frontend/src/main/java/de/uni_potsdam/hpi/metanome/frontend/client/parameter/InputParameterWidget.java
refactoring progress
added algorithm_helper .gitignore
Merge remote-tracking branch 'origin/master' into dev_claudia
gitignore settings
Merge pull request #39 from HPI-Information-Systems/dev_results_db

implemented results db entity mapping
complete factory for configuration values
remove InputParameter class (no longer necessary)
fixes #35 and repairs preselecting data sources
removed target folder from repo
Merge remote-tracking branch 'origin/master' into dev_claudia

Conflicts:
	backend/src/test/java/de/uni_potsdam/hpi/metanome/algorithm_loading/AlgorithmFinderTest.java