close #34

added first tests for the ranking table and the indicator bar chart
directive.
Merge branch 'feature/34-ranking-table-bar-chart-tests' into dev
 #35 added binding for decision strategies

extended the directives interface with two properties. The
'decisionStratgies' can be used to bind an already existing set of
decision strategies. New created decision strategies are added to this
property. The 'selectedDecisionStrategy' binding is used to define the
decision strategy that should be used by the ranking table.
 #35 fetching worldstates with level 2

this is done for performance reasons. see #30 for further information
close #35

added the ranking table, the indicator bar chart table and the decision
strategy manager to the analysis  widget
jslint
Merge branch 'feature/35-extended-analysis-widget' into dev
added grunt generated dist files