added overview tab and implemented stub for further implementation by @MichaelRoeder refs #12
Extended the ExperimentDAO, its abstract class and its imlpementation to retrieve the most recent results of experimenet tasks with a given experiment type and matching. Extended the JUnit test. Adapted the MainController to load this data and send it to the front end. (refs issue #12)
Added template for overview table
Merge branch 'enhanced-web-frontend' of https://github.com/AKSW/gerbil into enhanced-web-frontend
Resolved conflicts and bugs after merge, now working, hopefully refs #12
Fixed some bugs to make the overview work. (refs issue #12)
improved table layout
improved overview layout, padding inserted ref #12
Merge branch 'master' into enhanced-web-frontend