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
implemented Algorithm db representation
added helper methods for retrieve and store in HibernateUtil.java
added EntityStorageException.java
checking, whether an Object to store has the Entity annotation
checking annotations when retrieving entities
removed unnecessary setUp and tearDown
Merge remote-tracking branch 'origin/master' into dev_results_db
added convenience methods to store and retrieve algorithms
removed unnecessary setUp and tearDown methods
fixed typo, inlined unnecessary variable
Merge branch 'master' into dev_results_db
added java 8 build
Merge branch 'master' into dev_results_db
Merge branch 'master' into dev_results_db
Merge remote-tracking branch 'origin/master' into dev_results_db
texing docs on verify
Merge remote-tracking branch 'origin/master' into dev_results_db
attempting merge
add gitignores to enable merging