#203 Add description field for algorithms.
#203 Add comment field to database connection.
#203 Add comment field to table input.
#203 added comment field to fileInput
#203 Reformat layout.
Add algorithm analyzer.
Algorithm Executor uses Algorithm Analyzer.
#200 Remove selection of algorithm type on algorithm edit form.
Update Metanome_DbSchema
Removed getInterface method in AlgorithmExecutor.
Merge pull request #213 from HPI-Information-Systems/frontend

Frontend
Merge pull request #214 from HPI-Information-Systems/algorithm_analyzer

Algorithm analyzer
Merge branch 'master' into data_sources

Conflicts:
	frontend/src/main/java/de/metanome/frontend/client/datasources/DatabaseConnectionTab.java
	frontend/src/main/java/de/metanome/frontend/client/datasources/TableInputTab.java